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azureazure-virtual-machinerdp

Cannot connect to azure VM. CredSSP issue

After I received a windows update on my PC I cannot connect to my azure vm via RDP. How can I connect to Azure in order to install the update?

Solution

  • This is a known issue.

    Root Cause Analysis

    To resolve a vulnerability issue with Credential Security Support Provider protocol (CredSSP), a monthly Windows update in May was applied which does two things:

    1. Correct how Credential Security Support Provider protocol (CredSSP) validates requests during the authentication process

    2. Change the group policy Encryption Oracle Remediation default setting from Vulnerable to Mitigated.

    Here is a blog written by Micah to give a solutions by editing Local Group Policy.

    Hope this helps!