RDP Authentication – Cred SSp – Microsoft 866660

Remote Desktop Authentication Error has Occurred – Microsoft 866660 Cred SSP

user cannot connect to RDP previously could.  
An authentication error has occurred.
The Fuctioon Requested is not supportd

This could be due to CredSSP encryption oracle remediation.



If you are unable to connect to your remote server this morning, the issue can be resolved by manually uninstalling update KB4103727 from your physical computer. If you do not have a problem connecting to the hosting environment, it is recommended that you pause Windows Updates or block KB4103727 from being installed.


Windows 10 updated 5/8/2018

If you go into the updates and you do not see the KB4103727, then you will want to follow this link – instructions.  It is a registry edit.  If you prefer not to do this you can email us at [email protected] and we can try to assist.



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