I am facing the problem that Exchange Server Stops sending Emails. all the mails stuck in Que untill you restart the CAS and HTR server. Even in the application log i am not getting any error. Only two warnings are there. having Event ID 2161, 2159. Any have solution for this problems

Hi Prince, Which kind of queue you are seeing in HUB server, Did you check mail troubleshooter and find any help. Check AD health of DC where HUB server is reside. Also share result of EXBPA and mail troubleshoter result with us. Anil

I am facing the problem that Exchange Server Stops sending Emails. all the mails stuck in Que untill you restart the CAS and HTR server. Even in the application log i am not getting any error. Only two warnings are there. having Event ID 2161b, 2159. Any have solution for this problems Hi, seems to me an issue with Hub Transport services, they might be crashing. Check on HUB server what errors are there in event viewer. Regards,Laeeq Qazi|Team Lead(Exchange + Sharepoint + BES + DynamicsCRM) www.HostingController.com

Hi, Any updates? If you just restart the Microsoft Exchange Transport service, the mails can be sent? And after you restart the server, the warning message(2159,2161) will still be recorded again?Frank Wang

Still same it is same after restart it giving the same warning message