RequiredTls flag should be set to true if TlsCertificateName is specified.
at Microsoft.Exchange.Management.Hybrid.RemotePowershellSession.RunCommand(String cmdlet Dictionary`2 parameters Boolean ignoreNotFoundErrors)
- Open Exchange Management Shell on the on-premises Exchange server, and then run the following command:
Get-ExchangeCertificate |fl Services,CertificateDomains,thumbprint,IsSelfSigned
- Look for certificates in which the Services value is SMTP.
- Look for certificates in which the IsSelfSigned parameter is set to False.
- Examine the CertificateDomains values that remain, and then look for the domain name that you configured for external DNS.
Article ID: 3062283 - Last Review: Dec 29, 2016 - Revision: 1