MicrosoftWe have an issue after installing KB5012698 on EX2016CU21
MSExchangeTransport
ID 1019
Failed to start listening (Error: 10048). Binding: 0.0.0.0:2525.
MSExchangeTransport
ID 1036
SmtpReceive
Inbound direct trust authentication failed for certificate %1. The source IP address of the server that tried to authenticate to Microsoft Exchange is [%2]. Make sure EdgeSync is running properly.
It looks like https://docs.microsoft.com/en-us/exchange/troubleshoot/mailflow/front-end-microsoft-exchange-transport-service-stops
BUT
Identity Enabled TransportRole ProtocolLoggingLevel Bindings
-------- ------- ------------- -------------------- --------
EX2016\Default EX2016 True HubTransport None {0.0.0.0:2525, [::]:2525}
EX2016\Client Proxy EX2016 True HubTransport None {[::]:465, 0.0.0.0:465}
EX2016\Default Frontend EX2016 True FrontendTransport Verbose {[::]:25, 0.0.0.0:25}
EX2016\Outbound Proxy Frontend EX2016 True FrontendTransport Verbose {[::]:717, 0.0.0.0:717}
EX2016\Client Frontend EX2016 True FrontendTransport None {[::]:587, 0.0.0.0:587}
EX2016\anonymous relay True FrontendTransport None {0.0.0.0:25}
Seems to be OK. I rolled back for now…
