![]() T19:47:51.161Z,08D007D2D7C5ABEE,SMTP,internalproxy,-,Messages: 0 Bytes: 0 (The DNS query for 'Undefined':'internalproxy':'00000000-0000-0000-0000-000000000000' failed with error : ErrorRetry)Īnd i really want to understand what he is trying to resolve and why it fails. 3)Open any Office application (Such as Word)> File> Account> sign in with your Office account. Select User Accounts> Manage Windows Credentials> Delete credentials which contains Microsoft Office. In the connectivity-log i'm getting messages like: Type control panel at Windows search bar and open Control Panel. What are you seeing in the logs in C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\Logs\FrontEnd\Connectivity and C:\Program Files\Microsoft\Exchange Server\V15\TransportRoles\Logs\FrontEnd\ProtocolLog\SmtpReceive (maybe you have Kindly provide the administrative password, if prompt appears. Press Windows key X and click onCommand Prompt (Admin). Method 2: Run DISM Tool to correct the files which SFC couldn't restore. ![]() ![]() I think I came across your post and am surprised that others aren't reporting this problem. Check if your system isn't infected with any virus by running a complete system scan. But at the same time, I'm not discounting anything. I would be surprise if it really does turn out being DNS. So, this is my solution - maybe it helps someone else :) ![]() So, i configured set-frontendtransportservice with the same DNS settings as the transport service, and finally my mailflow is working.i can hardly believe it, and i can't believe that i found literally nothing about this behavior/bug of the ECP on the net. you canĮasily check this with get-transportservice and get-frontendtransportservice and looking at the ExternalDNS and InternalDNS settings.sure enough, for me only the Transport Service had the configuration applied that i set in the ECP. in the end it turned out that the setting in the ECP only configures the transport service, but NOT the the frontend transport service. well, this is mentioned in numerous threadsĪll over the forums and obviously for many people, that was the solution.īUT.i still had no mail flow after setting the DNS servers manually and my logs still filled up with DNS errors. Turns out that ex2013 has huge problems when you leave the DNS lookups setting in the server properties to "All network adapters", instead you should select a specific NIC or enter the IPs of your DNS servers manually. Whohoo, i FINALLY figured it out - and what can i say? the cause was another hickup of the ECP, i would call it a bug but what do i know? ) ![]()
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