I recently installed Visual Studio Ultimate 2013, and when I tried to Sign In to my Microsoft Account, I get the following error:
SP324099: Could not
1) Go to -> https://app.vssps.visualstudio.com/profile/view
2) Press "Create a free account now" and create one
3) Go to Visual Studio(File->Account Settings->Check for an updated Licence
It will automatically use your account you just created and update your licence