Issue: Mail Delivery to your Exchange 2013 Server is broken
“51 4.7.0 Temporary server error. Please try again later. PRX4” You will find this error on following situations:
- Trying a simple “Telnet fqdn 25” after input of data.
- On your Frontend Transport Server SmtpReceive Logs.
- On an extended Office 365 / Exchange Online Message Trace Log (Mails delivery stays in “pending” to your Hybrid Exchange 2013 SP1 Server (equal to PowerShell: Get-Messagtrace -Status Pending)
- Mail in OWA get stuck in your Drafts folder (OK, that can have many other reasons)
Solution: either…
a) Tony wrote already a very good blog about one clue: http://thoughtsofanidlemind.com/2013/03/25/exchange-2013-dns-stuck-messages/
b) …and that is a tricky one on the right hand and so simple on the other hand -> Check:
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Get-ServerComponentState –id ServerName |
If your HubTransport is on “Draining” – perform this:
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Set-ServerComponentState -identity ServerName -Component HubTransport -State Active -Requester Maintenance |
Mail delivery is back :-)
have fun, Alex
Spent 3 hours trying various things to resolve this issue, until I came across your post. Thanks!!!! Fixed it right away.
Hi Bobby – thanks and glad to hear about