Error Id: XDDS:D7833C72 - Citrix DDC vCenter Certificate connection failed
Article ID: CTX297137
Updated On:
Description
Delivery Controller hosting connection Error Id: XDDS:D7833C72
Exception: Citrix.Console.Models.Exceptions.HypervisorNotContactableException The host server cannot be contacted. Check that the connection has a valid host address and that the host server is powered on and working properly.
DesktopStudio_ErrorId: HypervisorNotContactable Exception: PluginUtilities.Exceptions.HostingInfrastructureCommunicationsFailureException: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel
Resolution
- Install the latest vCenter certificate on all the DDCs
- Update the SSL thumbprint for the hosting connection
- Restart the host service on the DDCs one by one.
- Using Powershell(Recommended): Follow the steps mentioned in https://support.citrix.com/article/CTX224551/delivery-controller-cannot-contact-vcenter-server-after-certificate-update-on-vcenter
- Using SQL DataBase: In the event of unexpected errors, while updating the SSL thumbprint on PowerShell following the above step, the SSL thumbprint can be updated directly on the site DB after taking a full DB Backup and outside of business hours.
INSERT into [DBName].[HostingUnitServiceSchema].[HypervisorConnectionSSLThumbprint] (hypervisorconnectionUid, SSLThumbprint) Values ('EnterhypConnectionUidHere', 'EnterSSlthumprintFromCertHere')
Note: Restarting the Host service might trigger a restart of all the pending power actions of the VDA. Consider performing this event outside the business hours to avoid any potential impact.
Problem Cause
A mismatch of the SSL Thumbprint/Expired hosting connection certificate could cause such challenges
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