Zimbra Network Edition Keygen

1Network Edition Disaster Recovery
- 1.1Other References
  - 1.1.2Outstanding RFE's That Will Effect This Document
  - 1.1.3When Samba, Posix, And LDAP Customizations Were Used
- 1.8Post Restore And Confirmation Steps

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KB 1915	Last updated on 2015-07-11	Last updated by Jorge de la Cruz	(0 votes)	Verified in: ZCS 8.0
- This is certified documentation and is protected for editing by Zimbra Employees & Moderators only.

Zimbra Suite Plus - Running Zimbra Suite Plus on Zimbra Network Edition Zimbra Suite Plus and Zimbra Network Edition Zimbra Suite Plus has been specifically designed to satisfy the needs of Zimbra Open Source Edition users.

KB 1915	Last updated on 2015-07-11
(0 votes)
- This is certified documentation and is protected for editing by Zimbra Employees & Moderators only.

- This article is a Work in Progress, and may be unfinished or missing sections.

Discussion on this document is located here:

Why Choose Zimbra Network Edition. Includes Zimbra Drive and Zimbra Docs! Secure & Extensible (with third-party security applications) Private (deployable in-country through Zimbra hosting partners) Email and phone support plus 24/7 emergency service; Includes NG Modules: – Real-time Backup and Restore – Synchronization of Shared Resources.
Zimbra Network Edition Keygen Posted on 2/14/2018by admin To upgrade from Zimbra Collaboration Open Source Edition to the Zimbra Collaboration Network Edition. Courtesy of The Paramount Network.
Release 8.8.15.GA.3869.UBUNTU18.64 UBUNTU1864 NETWORK edition, Patch 8.8.15P7. And previously installed community edition was also in the same version (8.8.15) However license checker returns info that license is in grace period: zmlicense -check license activation is in grace period.

'Network_Edition_Disaster_Recovery - Needed Updates / Discussion'

This article describes the steps to replace a failed server in a version 4.5.x, 5x, 6x, 7x and 8x network edition single-server ZCS configuration. Any distinctions between versions will be handled within the article when needed.

Important: The ZCS release you install on the new server must be the same release as installed on the old server. The server can have a different operating system.

The new server hardware must meet the requirements described in the Installation Prerequisites section of the ZCS Single Server Installation Guide. Install the new operating system, making any necessary OS configuration modifications as described in the installation guide.

Other References

Outstanding RFE's That Will Effect This Document

'RFE: zmrestore & zmrestoreoffline have option to set account status'

RFE For Live DR Restore Option

'Live or minimal downtime DR option [ need it tested/QA'ed/dev sign off for fully supported option ]'
'First-come, First-served On-demand Live DR'
'zmrestore / zmrestoreoffline have options to --skipDeleteMailboxes - Provides Live DR option'
'RFE: zmplayredo option for --frommailboxId --tomailboxId or --pre'
- https://bugzilla.zimbra.com/show_bug.cgi?id=52642
  - see comment 7

When Samba, Posix, And LDAP Customizations Were Used

ZCS 6.0.7 And After

'zmrestoreldap should restore config database'
- Summary
  - With 6.0.7, I've added the config database to the nightly backups. We should have zmrestoreldap restore this database as well, so that the entire configuration of the server as it was (including any and all customizations, like additional schema, etc) are restored at the same time as the database is.

Before ZCS 6.0.7

'DR wiki addition to Samba/Posix extensions' - which depends on bug 46401 below.
'LDAP config database should be backed up'

Disaster Recovery - Changing Servers

You do the following to restore to a new server:

Prepare the new server
Block client access to the old server’s IP address with firewall rules
Mount any volumes that were in use on the older server
- Volume information can be found in the full backup session your using:
  - Example
    - cat ~/backup/sessions/full-20120905.080010.492/sys/volume.dat
    - 1,1,'message1','/opt/zimbra/store',12,8,12,8,0,4096
    - 2,10,'index1','/opt/zimbra/index',12,8,12,8,0,4096
Delete the MySQL data that is set up in the initial installation of ZCS
Copy the backup files to the new server
Run zmrestoreldap to restore the global LDAP data
Run zmrestoreoffline to restore account data from the backup sessions
Prepare and run a new backup

Old Server Status

Two scenarios for disaster recovery are the server has died and the ZCS files cannot be accessed, or ZCS is still running, but the server needs to be replaced.

If the server is not running:

Block client access to the server IP address with firewall rules.
Find the latest full ZCS backup session to use.

If ZCS is still running, to prepare the move to the new server:

Block client access to the server’s IP address with firewall rules.
Run a full backup of the old service, or if the backup is recent, run an incremental backup to get the most current incremental backup session.
Run zmcontrol stop, to stop ZCS. In order to restore to the most current state, no new mail should be received after the last incremental backup has run.
Change the hostname and IP address on the old server to something else. Do not turn off the server.

Preparing the New Server

Before you begin, make sure that the new server is correctly configured with the IP address and hostname and that ZCS is installed and configured with the same domain, hostname, passwords, etc. as the previous server. See the Single-Server Installation Guide for more information about preparing the server. Before you begin to install ZCS, note the information you need from the old server including: admin account name and password, spam training and non-spam training user account names, exact domain name, and the global document account name.

Before You Doing Anything, Copy Your Redologs If Possible

Before you attempt anything, you should copy the redologs from /opt/zimbra/redolog/* so they will be available for replay on the new server or on this one after you have rebuilt from the backups. The redologs will have data that occurred after your last backup.

Installing ZCS on new server

If your doing a restore exclusively from a backup and don't recall the exact version, you can find out the version of ZCS within the full backup session.
- cd /opt/zimbra/backup/sessions/full-[YOUR LABEL]/
- grep zcsRelease session.xml
- You'll see a line like this - notice the version is given:
- <backupSet label='full-20100330.201810.579' zcsRelease='6.0.4_GA_2038.RHEL5 20091214172206 20091214-1723 NETWORK' startTime='1269980290579' endTime='1269980316645' minRedoSeq='44' maxRedoSeq='44' sharedBlobsZipped='true' sharedBlobsZipNameDigestChars='1' sharedBlobsDirectoryDepth='5' sharedBlobsCharsPerDirectory='2' type='full' accountsDirectoryDepth='2'>
Make sure your TIME and TIMEZONE is set right! See Time_Zones_in_ZCS#The_server_OS
Ensure that the old hostname and MX DNS records resolve to the new server
- Ajcody-Hostname-DNS has the commands you can run to confirm resolution and also basic setup instructions if you need to configure BIND on this DR server for DNS resolution issues.
If the new server was used for testing in the past then there may be remnants of previous installations that need to be removed.
Warning - the following commands will completely destroy any existing Zimbra installation:
- sudo -u zimbra /opt/zimbra/bin/zmcontrol stop
- If you still have the tarball extracted directory available, you can do the following to uninstall zimbra, as root:
  - zcs/install.sh -u
- If not, remove all the zimbra packages manually. As root :
  - rpm -qa zimbra*
  - Now, paste just in the package names for removal. For example:
  - rpm -e zimbra-spell zimbra-ldap zimbra-mta zimbra-logger zimbra-snmp zimbra-apache zimbra-store zimbra-core
  - And move aside the old and unneeded zimbra directory (assuming enough space in the destination location):
  - mkdir /var/tmp/zimbra-backup; mv -f /opt/zimbra /var/tmp/zimbra-backup
Non-rpm based OS's can review UnInstall_Zimbra
Have the ZCS installation software available on the new server and extracted. The tarball that is; for example : zcs-NETWORK-6.0.4_GA_2038.RHEL5.20091214172206.tgz .
1. - Make Sure Your Using The Same ZCS VERSION THAT WAS USED FOR THE BACKUP It is unsupported to attempt a ZCS system DR restore using a ZCS version that is newer than what was used for the backup. The zmrestoreoffline [-sys] is not able to handle the various db [ldap & mysql] and schema changes during the restore. This is normally done via the upgrade installer script.
    - OS TYPE/VERSION [RHEL5 for example] changes might cause issues, but generally shouldn't . If you end up needing assistance from Zimbra Support, please include and changes from the old to the new server in regards to the three variables mentioned here.
    - If the OS TYPE or PLATFORM are going to be different, you should review the following to see if it better suits your needs:
  - Latest Version of ZCS Network Edition can be downloaded from :
  - Older Versions of ZCS Network Edition can be downloaded from :
Run the zcs/install.sh from the ZCS tar ball of 'the same version of ZCS that was running on your old server.
1. Please make sure your 'backups' are not located under /opt/zimbra/* at this time since the installer may remove everything under /opt/zimbra as it does the installation.
2. Allow it to install all modules.
When the configuration menu appears open up a new terminal window.
1. License: Copy your ZCSLicense.xml file to /opt/zimbra/conf and then change ownership and rights:
  - cp ZCSLicense.xml /opt/zimbra/conf
  - chown zimbra:zimbra /opt/zimbra/conf/ZCSLicense.xml
  - chmod 444 /opt/zimbra/conf/ZCSLicense.xml
2. Gather Variables From Old Server Config File To Use To Configure New Server During Setup:
  1. You have access to the old servers /opt/zimbra/conf directory and can copy the localconfig.xml from the old server or old location to /tmp on the new server:
    - /opt/zimbra/bin/zmlocalconfig -c /tmp/localconfig.xml -s > /tmp/OLD-localconfig.xml
  2. If you only have access to full backup sessions, you'll be able to find a localconfig.xml in the subdirectory of the full backup.
    - For example:
    - /opt/zimbra/bin/zmlocalconfig -c /opt/<old-zimbra-dir>/backup/sessions/full-<latest-label>/sys/localconfig.xml -s > /tmp/OLD-localconfig.xml
  3. You now have a text file [ /tmp/OLD-localconfig.xml ] that will have all the variables you need for the next part. It will also display the needed passwords for the various accounts.
    - Please delete this file once your finished with it.
Returning to the configuration menu, which should be showing you 10 main categories that you can configure.

A. Select 1 for

Common Configuration , you'll have the following sub-options.

Confirm hostname [ zimbra_server_hostname ], ldap master host [ ldap_host ] , and timezone.
Set Ldap Admin password using the information from the /tmp/OLD-localconfig.xml you made.
- Variable that has password is : [ ldap_root_password ]

B. Select 2 for zimbra-ldap , you'll have the following sub-options.

Confirm that Create Domain = Yes
Confirm that Domain to create is correct. Note: Common Mistake Warning This value is your old initial domain rather than a subdomain of it. If it's wrong, revisit the above section for Common Configuration.
- For example: mail3.zimbra.DOMAIN.com [bad] vs. zimbra.DOMAIN.com [correct]
- A number of variables from the OLD-localconfig.xml can be double checked for this, one that probably changes the least is [ av_notify_domain ] .
Set the following passwords using the variables from the OLD-localconfig.xml
- Password Asked For || Variable Name From OLD-localconfig.xml
- Ldap root password = ldap_root_password
- Ldap replication password = ldap_replication_password
- Ldap postfix password = ldap_postfix_password
- Ldap amavis password = ldap_amavis_password
- Ldap nginx password = ldap_nginx_password

C. Select 3 for zimbra-store, you'll have the following sub-options.

Create Admin User should be yes.
Double the value for Admin user to create , confirming it's not an improper subdomain.
- Old variables to look at: [ av_notify_users ] , [ smtp_destination ] , [ smpt_source ] , [ zimbra_ldap_userdn ]
Set Admin Password : [ this is the admin password you would use to login to admin console ]
Spam training user and the Non-spam(Ham) training users user values from the old server can be found in the ldap.bak files from your full session backups.
- Example of path location for ldap.bak:
cd /opt/<old-zimbra-dir>/backup/sessions/full-<latest-label>/ldap/
To get values : egrep -i 'zimbraSpamIsNotSpamAccount|zimbraSpamIsSpamAccount' ldap.bak
- Example output :
  zimbraSpamIsNotSpamAccount: ham.ic9f_54eb7@zimbra.DOMAIN.com
  zimbraSpamIsSpamAccount: spam.rujjnikc@zimbra.DOMAIN.com
Global Documents Accounts equals the [ wiki_user ] variable plus your domain.
- For example: [ wiki_user = wiki ] so I would set this option to wiki@zimbra.DOMAIN.com using the domain example above.
SMTP host: can be confirmed by checking the ldap.bak like we did above.
- Example of path location for ldap.bak:
cd /opt/<old-zimbra-dir>/backup/sessions/full-<latest-label>/ldap/
To get value : grep zimbraSmtpHostname ldap.bak
Adjust the remaining variables if you need to, most customer will not. Exception might be those using the proxy services and needing to enable the Instant Messaging Feature.

D. Change any other settings on the new server to match the configuration on the original server.

E. Disable auto-backup and starting of servers after configuration in the configuration menu:

Enable default backup schedule: no

F. Apply configuration changes, there will be one or two warnings that say - it's fine to ignore them:

'WARNING: Document and Zimlet initialization skipped because Application Server was not configured to start.'
'WARNING: Convertd version 2 migration skipped because Application Server was not configured to start'.

Restoring to the new server

Confirm the new server isn't running zimbra. It shouldn't be if you selected the right option above during the installation. As zimbra type:
- zmcontrol stop
- confirm there's no 'zimbra services' processes running [you might see some related to swatch, which you can ignore].
- ps -ef | grep zimbra
Create Any Addition Storage Volumes
1. Note: Common Problem : This step is skipped/forgotten by many customers that were using additional storage volumes on their old server.
  - Configure your extra disk/san/nfs mounts.
    - Review your /etc/fstab file from your old server if you have access to it.
    - Double check your old server, if possible, for any symbolic links going outside of /opt/zimbra . Common reason is sym linking the backup directory < /opt/zimbra/backup > to some other location < /other/location/backup >.
    - ls -la /opt/zimbra/
Move aside the old mysql data and re-initialize an empty data directory. If you do not do this, zmrestoreoffline will have errors. As zimbra, type:
- mkdir /var/tmp/mysql-data-backup; mv -f /opt/zimbra/db/data/* /var/tmp/mysql-data-backup
- /opt/zimbra/libexec/zmmyinit
- Note: You might see events of '* Failed to connect to mysql...retrying', this is normal. If it goes over 10 occurrences, this might be an indication of something being wrong. Check the following logs:
  - /var/log/zimbra.log
  - ls -latr /opt/zimbra/log/
  - If you think there's an issue, did you confirm your passwords? Look for something like the following in /var/log/zimbra.log :
    Oct 20 17:39:33 mail zimbramon[9745]: 9745:info: zmmtaconfig: gacf ERROR: service.FAILURE (system failure: unable to get config) (cause: javax.naming.AuthenticationException [LDAP: error code 49 - Invalid Credentials])
    See the section below to fix: '9. Double check your LDAP password'
    Review from the most recent and then check older ones. most likely: zmmyinit.log , myslow.log , mysql_error.log.
- The MySQL service should now be running, a simple check would be:
ps -ef | grep mysql
Create Any Additional Zimbra Volumes Now Or Adjust Default Paths
1. Note: Common Problem : This step is skipped/forgotten by many customers that were using additional zimbra volumes or had changed the paths to the defaults on their old server.
  - Create your additional zimbra volumes now.
    - Common reason for additional zimbra volumes is for HSM , Archive & Discover [A&D], or large mailstores because of sizing issues.
    - Volume information can be found in the full backup session your using:
    - Example
      - cat ~/backup/sessions/full-20120905.080010.492/sys/volume.dat
      - 1,1,'message1','/opt/zimbra/store',12,8,12,8,0,4096
      - 2,10,'index1','/opt/zimbra/index',12,8,12,8,0,4096
    - Types are: primaryMessage, secondaryMessage, or index
    - Important zmvolume related bug
      - 'zmrestoreoffline fails for most DR recovery situation for volume differences'
Copy the backup files from the old server or from an archive location to /opt/zimbra/backup/sessions/ or use the -t /PATH/TO/backup option for the zmrestore* commands below.
Set the ownership of the copied backup files: chown -R zimbra:zimbra /opt/zimbra/backup
To find the LDAP session label to restore, as zimbra type:
- zmrestoreldap –lbs
or using the -t /PATH/TO/backup option
- Example: zmrestoreldap -t /opt/<old-zimbra-dir>/backup/ -lbs
  - I see that this is my latest one: incr-20100315.050022.428
To restore the LDAP data, run one of the zmrestoreldap commands below as zimbra :
- zmrestoreldap -lb <latest_label>
or with the nohup option if you are restoring large number of accounts:
- Example: cd /tmp ; nohup zmrestoreldap -t /opt/<old-zimbra-dir>/backup/ -lb <latest_label> &
  - Output is redirected to the nohup.out file that is created in the directory you run the command in.
  - Note: You'll [ zimbra ] need write permission for that directory the nohup.out file is written to.
A. Note: Observe whether the LDAP server has started successfully after the restore, it must be running for the next steps. Simple checks are:
Confirm output to the screen or to the nohup.out file ended with:
Starting ldap...Started slapd: pid ####'
done.
Confirm ldap process is still running: ps -ef | grep ldap
B. Note: The zmrestoreldap script included in ZCS 4.5.7 through ZCS 4.5.10 and ZCS 5.0 through ZCS 5.0.1 is broken.
This is being tracked as Bug 23644: zmrestoreldap not taking accesslog db into consideration. The fix will be included in ZCS 4.5.11 and ZCS 5.0.2. You can also download an updated script with the fix from these links:
ZCS 4.5.x: http://files.zimbra.com/downloads/4.5.10_GA/zmrestoreldap_4511
ZCS 5.0.x: http://files.zimbra.com/downloads/5.0.1_GA/zmrestoreldap_502
D. Note: On zimbra 5.0.7 this failed with the error 'ERROR: Failed to move existing ldap data: 256'
This is because the directory /opt/zimbra/openldap-data/ is empty and the script is trying to backup the contents to /opt/zimbra/openldap-data/.priv and failing.
As a work around for this I placed a text file in that directory and the restore proceeded fine.
E. Can't Do zmrestoreldap? - an alternative, depending on your situation and zcs version, would be to follow LDAP_data_import_export .
This is required before running the zmrestoreoffline step below, which will error if convertd isn't running. As zimbra, type:
- zmconvertctl start
  - Note: Skip the above step if your running ZCS 4.x or 5.x on Mac. Convertd isn't supported on Mac until ZCS 6.x - bug 29453
Double check your LDAP password [ zimbra_ldap_password ] from the old servers localconfig.xml or the /tmp/OLD-localconfig.xml if you made it in the proceeding steps to the new servers LDAP config.
- Run the following to see the new servers zimbra_ldap_password:
- zmlocalconfig -s zimbra_ldap_password
- If you have to change it , run the following below and replacing <password> with the needed password:
- zmlocalconfig -f -e zimbra_ldap_password=<password>
Note, A Common Problem Described Here And A Change In The Order Of The Old DR Steps:
- To avoid the 'No appenders could be found for logger (zimbra.misc) / Please initialize log4j' and other related problems that happened during the zmrestoreoffline. We'll start and then stop the mailboxd service:
- zmmailboxdctl start
- This could take a couple of minutes before it comes up. Monitor activity by : tail -f /var/log/zimbra.log
  - If you think there's an issue, did you confirm your passwords? Look for something like the following in /var/log/zimbra.log :
    Oct 20 17:39:33 mail zimbramon[9745]: 9745:info: zmmtaconfig: gacf ERROR: service.FAILURE (system failure: unable to get config) (cause: javax.naming.AuthenticationException [LDAP: error code 49 - Invalid Credentials])
    See the section above to fix: '9. Double check your LDAP password'
- zmmailboxdctl stop
- This will configure the log4j.properties and create the necessary log files, such as mailbox.log .
Last check before doing system [-sys] and user data restores [-a all]
Before you attempt the zmrestoreoffline below; make sure mailboxd isn't running and that only the necessary services are running. (ldap, mysql.server, convertd [unless MAC w/ ZCS 4.x or 5.x]). To confirm [as zimbra user] :
- - zmcontrol status note running and those services that aren't.
  - mysql.server status
  - ldap status
  - zmconvertctl status
To start the offline restore, we have two methods:
Option A - Traditional : This syntax will do a full restore from your latest FULL backup session label and then proceeds through your incremental sessions.
A1. Type the following to start your restore or with the nohup options:
Note: Use –c on the command line so that accounts will be restored even if some accounts encounter errors during the offline restore process.
zmrestoreoffline -sys -a all -c -br
or with the nohup option and the -t /PATH/TO/backup . Remember to adjust for your session label:
Get latest full session label you want: zmrestoreldap -t /opt/<old-zimbra-dir>/backup/ -lbs | grep full
Example : cd /tmp ; nohup zmrestoreoffline -t /opt/<old-zimbra-dir>/backup/ -lb full-20100314.060050.268 -sys -a all -c -br &
A2. To watch the progress, tail -f /opt/zimbra/log/mailbox.log [if it exists] and your nohup.out file if you used the nohup command.
Note: There is a current bug about the output from zmrestoreoffline showing jvm gc events, this would explain the odd log events you might be witnessing. bug 41516
A3. Proceed to next step, skipping the Option B entry below.
Option B - Faster & More Incremental In Restore Steps : This syntax will do a full restore reading from the specified FULL backup session label you give it. Then you'll use zmplayredo to play 'incremental' data you have that came after that full. This is to avoid the performance issues described in bug 33606 : Improve zmrestore & zmrestoreoffline performance .
B1. We'll first restore using ONLY the data in the full backup session. Type:
Note:Use –c on the command line so that accounts will be restored even if some accounts encounter errors during the offline restore process.
zmrestoreoffline -sys -a all -c -rf -lb <full backup session label>
or with the nohup option:
cd /tmp ; nohup zmrestoreoffline -sys -a all -c -rf -lb <full backup session label> &
B2. To watch the progress, tail /opt/zimbra/log/mailbox.log and your nohup.out file if you used the nohup command.
Note: There is a current bug about the output from zmrestoreoffline showing jvm gc events, this would explain the odd log events you might be witnessing. bug 41516
B3. Restore ldap to the last incremental you have: zmrestoreldap -lb <latest_label>
B4. Now we'll restore the data from the redologs you have from your incremental sessions /opt/zimbra/backup/sessions/incr-<label>/redologs/ that are after the full session you used. An advanced option would be to also use the redologs from /opt/zimbra/redolog & /opt/zimbra/redolog/archives directories from the old zimbra installation. This would restore data after your last backup. When replaying redologs, you play from the oldest log to the newest.
zmplayredo --logfiles <arg> Replay these logfiles, in orderAs shown from --help output.
For example:
Oldest incremental to newest. If multiple incremental logs, seq1 first and then to next number in order.
Possible Problems With The Offline Restore - updated Aug 29, 2012
Permission error on the backup tmp directory
zmlocalconfig | grep -i backup
look for a var that also mentions the tmp path
You have customized zmvolumes and/or had multiple volumes on your old server and the new one isn't configured the same
su - zimbra
mysql -e 'select * from zimbra.volume'
Also note, the zmrestoreoffline options above will not restore deleted accounts. So if you see issues about not being able to play redolog events against some mailbox id's, it might be because they weren't restored. From the help, '--skipDeletedAccounts Do not restore if named accounts were deleted or did not exist at backup time. (This option is always enabled with -a all) '
If your have redologs to play now that you copied from the 'old' server that occurred after the last backup you have, now is the time to play them.
To restore the data from the redologs you have, use the redologs you copied from /opt/zimbra/redolog & /opt/zimbra/redolog/archives directories from the old zimbra installation. When replaying redologs, you play from the oldest log to the newest.
zmplayredo --logfiles <arg> Replay these logfiles, in orderAs shown from --help output.
For example:
Because some ZCS services are running at this point and we'll want to stop them before proceeding, type:
- zmcontrol stop
Now start ZCS, type :
- zmcontrol start
- You might want to monitor the following log files in various shells/terminals:
tail -f /var/log/zimbra.log
tail -f /opt/zimbra/log/zmmailboxd.out
tail -f /opt/zimbra/log/mailbox.log
Check and confirm status of all zimbra services with:
- zmcontrol status

Something go wrong? See Ajcody-Disaster-Recovery-Specific-Notes for current issues being investigated or documented.

Post Restore And Confirmation Steps

Here are some fairly fast and simple commands from the CLI to get a quick status of the situation. You can grep for or include a single user's account if you're confident of what it should be reported as.
1. Confirm your accounts and domains are present and show active, as zimbra run:
  - zmaccts
2. Confirm accounts show mailbox quota usage appropriately:
  - zmprov gqu `zmhostname`
    - Columns are for : User, Quota, Used
3. Confirm data is in the various zimbra volumes and all that are needed are present:
  - zmvolume -l
  - Confirm all needed zimbra volumes are present. Some customers might have different volumes for older primaryMessage stores, older indexes, HSM, A&D and so forth.
  - Run the following command against your volume paths and ctrl+c once your confident things look right:
  - ls -laR /opt/zimbra/store [or some other volume path that you have]
To test from the shell/terminal basic html client usability, you could install and run lynx.
1. If you need to install lynx do the following as root:
  - [rhel] yum install lynx
  - [ubuntu/debian] apt-get install lynx
2. To test, do the following below. Your arrow and tab keys are used to navigate you on the page. As root , because the zimbra $HOME directory isn't writable for zimbra at the top level :
Special Items To Confirm:
1. Proxy Operations
2. Self-Signed and Commercial Certificates
  1. Commercial Certs, currently [bug 62515 is RFE to do so], are not saved as part of the backup. If you don't have a copy, then you'll have to get them again. If you do have a copy, then copy /opt/zimbra/ssl/zimbra/commercial/* from the old box and the commercial.key to that directory on the new server. Then put the commercial-ca.crt and commercial.crt in say /tmp and run [as root] /opt/zimbra/bin/zmcertmgr deploycrt comm /tmp/commercial.crt /tmp/commercial-ca.crt
3. Confirm any custom configuration changes made to /opt/zimbra/conf/salocal.cf.in are still intact.
4. If in the admin console, there is no 'Certificates' listing under tools.
  - The zimlet needed to be reinstalled.
  - zmzimletctl install /opt/zimbra/zimlets/com_zimbra_cert_manager.zip
  - zmprov fc zimlet com_zimbra_cert_manager
5. Convertd version 1 or version 2 - might need to reinitialize convert v2
  - on all mailstores
  - /opt/zimbra/convertd/bin/upgrade_v2
  - zimbra restart required afterwards
6. Double check any postfix customizations you've might of had
7. A&D [Archive and Discovery]
8. Backup Method And Cron Schedule
  1. Review the output from [special note to the zimbraBackupTarget path and zimbraBackupMode variable]. As zimbra:
    - zmprov gs `zmhostname` | grep -i backup
  2. Confirm what the schedule is for the backups. As zimbra:
    - crontab -l | grep -i backup
  3. If empty, this will set up the default backup schedule that is normally set and confirm crontab for it. As zimbra:
    - zmschedulebackup -D; crontab -l | grep backup
Remove any old backup sessions because these sessions are no longer valid. Either by deleting or moving out of the way :
1. To delete:
  - rm -rf /opt/zimbra/redolog/* /opt/zimbra/backup/*
2. To move [make sure target location has space]:
  - rm -rf /opt/zimbra/redolog/*
  - mv /opt/zimbra/backup /TMP/PATH/
    - Of course you'll need to adjust /TMP/PATH above for your situation.
  - mkdir -p /tmp/zimbra/backup/{sessions,tmp} ; chown -R zimbra:zimbra /opt/zimbra/backup
If your situation allows; you should probably get a full backup of the system as well.
Remove the firewall rules and allow client access to the new server.

ZCO and Outlook After A DR

After a disaster recovery, the ZCO connector could have more data than what's on the ZCS server for that user. This occurs because of the recovery method used, usually when you restore only to a full or incremental backup and did not or could not restore the redologs [ /opt/zimbra/redolog/ ] that were not in the backup sessions. ZCO was not design to recover or resync data in a disaster recovery situation. It is possible, though time consuming, to recover the data in the 'old' profile and resync it to the server. The steps are:

Identify the existing profile and path by selecting Mail within the Control Panel > show Profiles > select the existing profile then click properties > Select Data Files. Under the location, it contains the path and file name of the profile.
- - It's normally in the following location:
    - For XP : Documents and Settings<username>Local SettingsApplication DataMicrosoftOutlook
    - For 7 : user<username>Local SettingsApplication DataMicrosoftOutlook
Create a new profile within the same location and set it as 'Always use this profile'
Start Outlook and allow the new profile to sync the data from the ZCS server
Open Window Explore and go to the directory that contains the old profile and change the extension of the zdb file to pst.
Once the new profile has finished syncing, select File > Open > Open Outlook Data File and select the file that you modified to be a pst extension. (This will mount the old profile to the new profile as an external profile)
You can now drag and drop missing messages to the folder within the new profile. The adding of the message to the new profile will cause the messages to sync to the ZCS server.
Once you've 'restored' the data into the new profile account, you can remove old profile from Mail within the Control Panel > show Profiles.

Verified Against: Zimbra Collaboration 8.0, 7.0, 6.0	Date Created: 4/12/2007
Article ID:https://wiki.zimbra.com/index.php?title=Network_Edition_Disaster_Recovery	Date Modified: 2015-07-11

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Good morning,
I’ve made upgrade process in following way:
./install.sh -a /opt/zimbra/conf/ZCSLicense.xml
During installation following information appeared:
1)
Checking for available license file...
Current Users=15 Licensed Users=100
2)
Looking for valid license to install...license installed.
Activating license...failed to activate license.
From outlook 2016 client I’m receiving the following communicate from zimbra server:
Your IMAP server wants to alert you to the following: Your mail server's license is missing, invalid or expired.
Installed version looks to be the proper one:
Release 8.8.15.GA.3869.UBUNTU18.64 UBUNTU18_64 NETWORK edition, Patch 8.8.15_P7.
And previously installed community edition was also in the same version (8.8.15)
However license checker returns info that license is in grace period:
zmlicense --check
license activation is in grace period