Challenge
During an attempt to uninstall Veeam Management Pack for Microsoft System Center a message appears stating that Microsoft.SystemCenter.SecureReferenceOverride MP is dependent on Veeam Base Discovery MP:
Cause
The Microsoft.SystemCenter.SecureReferenceOverride contains information regarding Run As accounts configured for Veeam.
Solution
Since SCOM does not remove the entries automatically, you will need to remove them manually.
Review: Remove Veeam Secure Reference PS Script