Over the next week and a half we will be upgrading our Zimbra servers from version 8.7 to 8.8.
Work will commence at some point after 22:00 hrs on each day – with a possible downtime of up to 2 hrs, but we hope this will be significantly less.
The plan is to update the relevant servers on the following dates:
Zimbra002 on Thursday – 21st November, 2019
Zimbra003 on Tuesday – 26th November, 2019
Zimbra004 on Thursday – 28th November, 2019
We don’t expect to see any issues and any Outlook users should be prompted for a connector upgrade; if this doesn’t happen Outlook users will need to get the connector for 8.8.15 GA – available from the following link. If their Outlook is 32bit, then they will need to get the 32bit version.