When this issue occurs, the backup operation fails and you receive an error message that looks something like the following:
[SSMBackup2WAAdminXevent] Database Name = <database_name>, Database ID = <database_id>, Stage = <stage_name>, Error Code = 3002, Error Message = Cannot BACKUP or RESTORE a database snapshot. [SQLSTATE 42000]BACKUP DATABASE is terminating abnormally. [SQLSTATE 42000], Additional Info = Retrying Backup.
This issue occurs because backing up a database snapshot isn't supported in SQL Server 2014 SP1 and SP2.
Service pack information
Cumulative update information
The issue was fixed in the following cumulative update of SQL Server:
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. We recommend that you download and install the latest cumulative updates for SQL Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.