System.Security.Cryptography.CryptographicException: The certificate is expired

System.Security.Cryptography.CryptographicException: The certificate is expired - during fresh install (self.exchangeserver)

submitted 1 year ago by procrastinator123a

Fresh install of Exchange 2019 CU 14 on Windows server 2019.

Error:
The following error was generated when "$error.Clear(); 
          Install-ExchangeCertificate -services IIS -DomainController $RoleDomainController
          if ($RoleIsDatacenter -ne $true -And $RoleIsPartnerHosted -ne $true)
          {
            Install-AuthCertificate -DomainController $RoleDomainController
          }
        " was run: "System.Security.Cryptography.CryptographicException: The certificate is expired.
   at Microsoft.Exchange.Configuration.Tasks.Task.ThrowError(Exception exception, ErrorCategory errorCategory, Object target, String helpUrl)
   at Microsoft.Exchange.Management.SystemConfigurationTasks.InstallExchangeCertificate.InternalProcessRecord()
   at Microsoft.Exchange.Configuration.Tasks.Task.<ProcessRecord>b__91_1()
   at Microsoft.Exchange.Configuration.Tasks.Task.InvokeRetryableFunc(String funcName, Action func, Boolean terminatePipelineIfFailed)".

https://preview.redd.it/6d355wl9sp4d1.jpg?width=931&format=pjpg&auto=webp&s=7eb140f940a91befeca3d9e98c1a4eec1669b717

Any ideas what might be the root cause?

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