All certificates have lifetimes. After they expire, you have to renew them. Youl’ll face issues through the Hosting Connection components on Studio, so you have to renew the certificate thumbprint on the Citrix Database.
- Get the thumbprint of the new certificate and capitalize the small letters.
- Open Powershell as Administrator.
- Set-Item -LiteralPath "XDHyp:\Connections\ConnectionName" -SslThumbprint "XXXXXXXX" -hypervisorAddress “https:\\url”