Attempts to attach a .MDF (Master Data File) file in IBM Rational System Architect Encyclopedia Manger (SAEM) results in error with code: 2147220556
An Error message in the message centre of Rational System Architect Encyclopedia Manager similar to the one mentioned below:
The database '<Database Name>' cannot be opened because it is version 655. This server supports version 611 and earlier. A downgrade path is not supported.
If you try to attach a Microsoft SQL version 2008 Encyclopedia in Microsoft SQL version 2005 you will get this error.
Resolving the problem
To resolve this error ensure that you attach the encyclopedia using Rational System Architect Encyclopedia manager on an instance of Microsoft SQL server version 2005.