Starting on Mon 13th Feb, we will begin a series of Operating System upgrades to our Zimbra servers to onto the latest version of Linux in preparation for upgrading Zimbra to the latest version (8.7.1), the upgrades for which will follow a couple of weeks later.
This will, unfortunately, involve some downtime for each server and is not without its risks.
We anticipate that each server will be down for a period of up to 2 hours, but hoping to keep it to 30 minutes.
The planned schedule is as follows: Mon 13th 22:00 – zimbra004 Wed 15th 22:00 – zimbra003 Thu 16th 22:00 – zimbra002 As part of this work, we will be removing support for some weak or obsolete SSL ciphers to improve security levels.
This could affect some users still running old web browsers.
Please accept our apologies for any inconvenience caused by this.
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