Description: RDP Connection Error of “The requested security package does not exist”
Common customer description: I can’t log into the server via RDP.
Do you receive any error messages?
Were you able to before?
When did this stop working?
Steps to isolate: Verify the error message above.
Steps to resolve:
1. Go to Start, run “regedit”
2. Go to HKEY_LOCAL_MACHINEsystemcurrentcontrolsetcontrolLSA
3. Open (double-click) the Security Packages key
4. Make sure the following values are inside (order matters)
5. Reboot the computer
Additional considerations: The last two values are generally missing, “tspkg and pku2u”