RDP CredSSP Encryption Oracle Remediation Error

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After updating all servers in my lab I have got an issue related to RDP when trying to connect to the servers using Remote Desktop Connection.

Before a couple of days ago, the cumulative updates were released below for Windows 10 and Server 2016, etc.  These cumulative updates include the fix for the CredSSP encryption vulnerability.

May 8, 2018 – KB4103721 (OS Build 1803)
May 8, 2018 – KB4103727 (OS Build 1709)
May 8, 2018 – KB4103731 (OS Build 1703)
May 8, 2018 – KB4103723 (OS Build 1609 & Server 2016)

After digging to sort out this issue and find the proper solution, I have resolved this issue by following Microsoft articles shown below.

https://blogs.technet.microsoft.com/yongrhee/2018/05/09/after-may-2018-security-update-rdp-an-authentication-error-occurred-this-could-be-due-to-credssp-encryption-oracle-remediation/

https://support.microsoft.com/en-us/help/4093492/credssp-updates-for-cve-2018-0886-march-13-2018

 

Thanks.


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