Veeam Support Knowledge Base
"Proxy offline time exceeded” error after updating Veeam Backup for Microsoft 365 to version 4c

"Proxy offline time exceeded” error after updating Veeam Backup for Microsoft 365 to version 4c

KB ID:	3216
Product:	Veeam Backup for Microsoft 365
Version:	4с
Published:	2020-06-30
Last Modified:	2020-10-06

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Challenge

After updating Veeam Backup for Microsoft 365 4c (build 4.0.1.531) backups start to fail with the “Proxy offline time exceeded”.

Cause

At the end of every month, Veeam Backup for Microsoft 365 collects licensing information. If your Veeam Backup for Microsoft 365 server is installed on a server with a time zone east of GMT (GMT +1, GMT +2, and so on) a duplicate record is mistakenly created. Because of this record, the synchronization between proxies and the controller fails and after 48 hours all remote proxies stop working.

Solution

This issue is resolved in the Cumulative Patch for Veeam Backup for Microsoft 365 4c which can be found here: https://www.veeam.com/kb3222

To find the latest version of any Veeam application please visit:
https://www.veeam.com/updates.html

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