I was trying to upgrade from SCSM 2012 to SCSM 2016
the dataware house goes well
when I tryied to upgrade the service manager man server I had the following error
an error occurred while executing a custom action:_ExecuteSQLScripts
I have upgraded the data warehouse management server successfully
as the following link says
when I try to upgrade the Service Manager management server
I receive an error in the installation step
I have noticed that in this step the wizard removes the DB servicemanager and it is no longer there