If you have Windows Vista installed on your system and you need to frequently connect to another computers via remote desktop maybe you suffer the problem I am about to tell. Probably you mark the checkbox telling that you want windows to remember your credentials but whenever you try to connect again, here we go, Windows Vista wants you to input your credentials one more time and you receive the following message:

Your credentials did not work. Your system administrator does not allow the use of saved credentials to log on to the remote computer because its identity is not fully verified. Please enter new credentials.

This can be a real pain if your passwords are like mine: dT045Gfx_a!odl … Remembering more than 2 of these is not really comfortable.

As I suffered this problem too I want to redirect you to the correct solution by the hand of Computer Troubleshooters:

  1. Log on to your computer as an administrator.
  2. Click Start/Run
  3. Type gpedit.msc
  4. Go to Computer Configuration\Administrative Templates\System\Credentials Delegation
  5. Double-click on Allow Delegating Saved Credentials with NTLM-only Server Authentication
  6. Check Enable and then click on the Show button
  7. Add “TERMSRV/” to the server list, then your domain, example: TERMSRV/mydomain.com. You can use one wildcard (*) in a name. For example to enable the setting on all servers in “mydomain.com” type “TERMSRV/*.mydomain.com” or for all servers use: TERMSRV/*
  8. Confirm the changes by clicking on OK until you return back to the main Group Policy Object Editor dialog.
  9. At a command prompt, run gpupdate to force the policy to be refreshed immediately on the local machine or restart the computer