Assume that a database contains a full-text catalog in read-only or standby mode in Microsoft SQL Server 2012. When you try to create a database snapshot of the database, the snapshot is not created, and you receive the following error messages:
Msg 3906, Level 16, State 1, Line 1
Failed to update database "<Database Name>" because the database is read-only.
Msg 1823, Level 16, State 2, Line 1
A database snapshot cannot be created because it failed to start.
Cumulative update information
Cumulative Update 2 for SQL Server 2012 SP1
The fix for this issue was first released in Cumulative Update 2. For more information about how to obtain this cumulative update package for SQL Server 2012 SP1, click the following article number to view the article in the Microsoft Knowledge Base:
Cumulative update package 2 for SQL Server 2012 Service Pack 1
Because the builds are cumulative, each new fix release contains all the hotfixes and all the security fixes that were included with the previous SQL Server 2012 SP1 fix release. We recommend that you consider applying the most recent fix release that contains this hotfix. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
The SQL Server 2012 builds that were released after SQL Server 2012 Service Pack 1 was released
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
To work around this issue, drop all full-text catalogs before you create the database snapshot.
For more information about the Incremental Servicing Model for SQL Server, click the following article number to view the article in the Microsoft Knowledge Base:
An Incremental Servicing Model is available from the SQL Server team to deliver hotfixes for reported problems
For more information about the naming schema for SQL Server updates, click the following article number to view the article in the Microsoft Knowledge Base:
Naming schema for Microsoft SQL Server software update packages
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
Description of the standard terminology that is used to describe Microsoft software updates