Check this out:

http://blog.wadewegner.com/2007/06/13/TheDatabaseVersionC0840DoesNotMatchYourReportingServicesInstallation.aspx

Two suggestions (if you're still interested):

1> If you're using SQL authentication, check to see if any accounts aren't in synch with their passwords, using sp_change_users_logins.

2> Are both servers...

Nice article. I've spent a good chunk of the last year working on transactional replication (about 400k commands/day) from Oracle -> SQL 2005. It was already set up...

Good stuff as always from Allen.  I had the fortune of seeing Allen's presentation on this topic prior to the Pass event.  Much as I hate to admit it (and...