how to fix Error TF30063: You are not authorized to access VS2017

Question

I changed my password for my TFS. But when I try to reconnect I receive the TF30063 unauthorized error.

There are many issues like this and I tried everything I coul

Answer 1

I also had this problem with VS2017, version 15.9.4.

Common fixes are detailed here and here. And the majority of pages talking about this problem reference those solutions or sub-sets in some combination or another. (And often to fix login bugs introduced in one of the 15.5.* versions of VS2017)

None of those solutions worked for me either and after researching for 2 days, I found a couple of fringe-reasons why VS 2017 will not refresh/store credentials.

The 2 main "fringe" problems/fixes I've found are:

1. Connecting through certain proxy setups

2. Cryptography store not allowing for local storage, see also here

For myself it was the second problem, a good indicator of the issue is a log entry in %TEMP%\servicehub\logs with the error: "The requested operation cannot be completed. The computer must be trusted for delegation and the current user account must be configured to allow delegation."

It might also be a Windows 7/8.1 known issue carried over to Windows 10 upgraded machines. The problem only happened on a machine that joined the domain after doing the Windows 10 upgrade.

The fix is to add the following registry entry:

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\Protect\Providers\df9d8cd0-1501-11d1-8c7a-00c04fc297eb]
"ProtectionPolicy"=dword:00000001

Setting that immediately fixed the issue with VS2017 connecting to the Microsoft Account. (And some other applications that would not persist credentials between launches)