Upgrading Zimbra from RHEL4 to RHEL5

Error creating thumbnail: Unable to save thumbnail to destination

Article Information

This article applies to the following ZCS versions.
Error creating thumbnail: Unable to save thumbnail to destination
ZCS 4.5


Zimbra Collaboration Suite 4.5.6 is the first version of ZCS that provides support on the Red Hat Enterprise Linux 5 (RHEL5) platform. This article describes the high level procedures in upgrading an existing ZCS installation from RHEL4 to RHEL5.
Note: We currently don't support RedHat Cluster (RHCS) on RHEL5. There is currently no date to support it.


1. Upgrade to ZCS 4.5.6 (build 1044) RHEL4/RHEL4_64.
2. Run the following command as root,

chkconfig zimbra off

3. Make sure that the Security Enhanced Linux (SELinux) is disabled by setting the following in /etc/selinux/config:


4. Upgrade the Operating System to RHEL5/RHEL5_64 by selecting the "Upgrade an existing installation" option.
5. Upgrade ZCS to 4.5.6 (build 1044) RHEL5/RHEL5_64.

Ignore the following error:

Backing up ldap
/opt/zimbra/openldap/sbin/slapcat: error while loading shared libraries: libssl.so.4: cannot open shared object file: No such file or
Verified Against: Zimbra Collaboration Suite 4.5.6 Date Created: 7/28/2007
Article ID: https://wiki.zimbra.com/index.php?title=Upgrading_Zimbra_from_RHEL4_to_RHEL5 Date Modified: 2015-03-24

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