I am using SQL Server Login:
We are migrating to 2008 R2 and Reporting services keeps telling me my login failed. I set it up the same way as 2005... ie created the Login and the databases still have the user. I can connect using that Login in Management Studio, but for some reason my Data Source fails. I even tried creating the data source new.. but same login failed. (the instance's log also shows login failure when using Reporting Services Stored Credential)
What the heck is going on?
Using VS I opened up the project (thus converting it to 2008) and then posted to the new server.