When you attempt to install PureMessage for Microsoft Exchange, version 3.1 onto a Windows 2008 AD server, the installation fails at the point when it tries to install the SQL Express server. The following error is seen in the SqlSetup.log file which is created in the system’s temp directory during sql server installation:
[Timestamp] Error: Unable to find media for .Net version 2.0
First seen in
Windows 2008 AD server
What To Do
You should run the installation again.