unable to upgrade db to 10.8 from 10.7 sp3 HF84

Products

• DX Application Performance Management

Issue/Introduction

Getting the following error in the middle of the upgrade:

 

cemdb already exists and is not a valid database.
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The database cannot be upgraded or might not be a valid APM database schema.
Enter a different database name to create a valid database.

PRESS <ENTER> TO ACCEPT THE FOLLOWING (OK):

Environment

Release : 10.8.0

Resolution

Make sure the collector is not connected and running. Then upgrade again.