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Veeam Backup & Replication does not start after Veeam Backup Enterprise Manager upgrade to 9.5 U4

Veeam Backup & Replication does not start after Veeam Backup Enterprise Manager upgrade to 9.5 U4

KB ID:	2823
Product:	Veeam Backup & Replication
Version:	9.5
Published:	2018-12-13
Last Modified:	2020-08-13

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Challenge

Both Veeam Backup & Replication and Veeam Backup Enterprise Manager are installed on the same server. Veeam Backup Enterprise Manager is updated to Update 4 with instance license, while Veeam Backup & Replication is still running an older version. After Veeam Backup Enterprise Manager upgrade Veeam Backup & Replication Console will not start with the following error message:

User-added image

Cause

Veeam Backup & Replication 9.5 Update 3a or earlier do not support instance-based licenses

Solution

1. Close all Veeam Backup & Replication Consoles

2. Remove license information from registry:
User-added image

3. Start Veeam Backup & Replication Console (it will be running in a Free mode)

4. Remove VMware ESXi hosts version 4.1 which are no longer supported.

5. Close Veeam Backup & Replication Console and upgrade with instance license

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