SnapCenter upgrade fails with "Schema Creation failed" error
Applies to
SnapCenter Server (SC)
Issue
SnapCenter upgrade fails with the following error:
ERROR: SnapCenter Schema Creation failed. Check the DotMigrate logs in the Windows Temp folder for more details.

The following error will also be seen in C:\Users\<Username>\AppData\Local\Temp\DotMigrate_MySQL_x.x.log (where x.x is the SnapCenter version you are upgrading to):
Executing SQL script C:\Users\<Username>\AppData\Local\Temp\<TempFolder>\x.x\x.x.x.xxxx_Alter_table_nsm_Retention.sql
Error: executing SQL script C:\Users\<Username>\AppData\Local\Temp\<TempFolder>\x.x\x.x.x.xxxx_Alter_table_nsm_Retention.sql
Error: PROCEDURE nsm.AddColumnUnlessExists does not exist