During an upgrade from Veeam Endpoint Backup Free to Veeam Agent for Microsoft Windows 2.0, you receive the following warning:
Your backup target does not support this product version and needs to be upgraded
If Veeam Agent for Microsoft Windows is to be integrated with Veeam Backup & Replication, version 9.5 Update 2 of the latter is required.
During the upgrade, Veeam Agent for Microsoft Windows checks the latest backup made by Veeam Endpoint Backup Free and gets the information about Veeam Backup & Replication version.
However, Veeam Endpoint Backup Free is not aware of the updated Veeam Backup & Replication server unless a backup job has been run after the upgrade to 9.5 U2.
disregard the warning message
run a backup with Veeam Endpoint Backup Free 1.5 to Veeam Backup & Replication before upgrading to Veeam Agent for Microsoft Windows 2.0.