"User does not have permission to alter database 'SqlCloneTemp_...'" when creating image from a backup
Published 04 April 2018
The SQL Clone agent must have the sysadmin fixed server role within SQL Server to perform some operations.
Determine which SQL Server login is being used to create your image, and ensure it has the sysadmin role on that SQL Server instance.
The SQL Server login in question is indicated when the temporary SQL Server instance is selected: