TFS Error: “Source Control - Unable to Access Database”

Question

I am currently using TFS with Visual Studio 2010 Ultimate and getting this error when I try to open up my solution:

The associated source control plug-in is no

Answer 1

I had to reset my Visual Studio configuration and cache by following the below steps:

Delete the contents from the following folders

C:\Users\<>\AppData\Local\Microsoft\Team Foundation
C:\Users\<>\AppData\Local\Microsoft\VisualStudio
C:\Users\<>\AppData\Local\Microsoft\VSCommon

Go to the Visual Studio IDE folder in command prompt and Run the following command "devenv /resetuserdata" from the Visual Studio IDE folder.

Typical location for 62 bit: C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE
Typical location for 32 bit: C:\Program Files\Microsoft Visual Studio 10.0\Common7\IDE

I found these steps in the article below:

If you have problems with TFS or Visual Studio flush the user cache … or not?