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KB-10950: MFA failing after changing Centrify Connector service account

Authentication Service ,  

30 August,18 at 08:27 PM

Problem: MFA was working but is no longer working after changing the service account running the connectors. 

Cause: By default the connectors run under Local System which has the correct permissions and SPNs to validate the certificates. If using a service account this might no longer be true and the below regedit will need to be added to the connector machines. 

On the connector machines expand Regedit: HKEY_LOCAL_MACHINE>SOFTWARE>Centrify>Cloud
1. Add a String value type registry key:
Name: winAuthSvcClientCredType 
Data: Windows
2. Add these two SPNs in Active Directory to the service account running the Centrify Connectors
3. Restart the Cloud Connector service on each connector machine

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