For the InternalDNSServers that are listed on your server's network cards for internal communications (for example). Do not modify ExternalDNS entries.
https://technet.microsoft.com/en-us/library/jj215695(v=exchg.150).aspx From: listsad...@lists.myitforum.com [mailto:listsad...@lists.myitforum.com] On Behalf Of J- P Sent: Thursday, January 22, 2015 11:03 AM To: exchange@lists.myitforum.com Subject: RE: [Exchange]Ex2013 all messages stuck in undefined submission NEW ERROR just to be clear, use the internal AD dns servers IP NOT external i.e. google 8.8.8.8? Jean-Paul Natola ________________________________ From: woody.black...@oit.edu<mailto:woody.black...@oit.edu> To: exchange@lists.myitforum.com<mailto:exchange@lists.myitforum.com> Date: Thu, 22 Jan 2015 10:46:02 -0800 Subject: RE: [Exchange]Ex2013 all messages stuck in undefined submission NEW ERROR Try changing the Internal DNS Lookups on mailbox servers to "Custom" and manually add DNS servers ("Servers" menu / Select "server" to edit select "DNS Looksups" ) Get-TransportService -ID MAILBOX_Server | fl *dns* to check before and after Put the server's own IP address in its hosts file in both formats "ip server" "ip fqdn" on both mailbox/cas if seperated Optional (Put the primary and secondary DNS servers in hosts as well in both formats) Restart Transport Services See if it works... if not This may also need to be run via power shell for the "FrontEndTransportService" internal DNS lookups as well Get-FrontEndTransportService -ID CAS_Server | fl *dns* Set-FrontEndTransportService -ID CAS_Server InternalDNSServers "1.2.3.4,5.6.7.8" Restart FrontEndTransport Services All usual production change disclaimers applied... (backups, documentation, Do not swim for at least one hour... ) From: listsad...@lists.myitforum.com<mailto:listsad...@lists.myitforum.com> [mailto:listsad...@lists.myitforum.com] On Behalf Of J- P Sent: Thursday, January 22, 2015 10:33 AM To: exchange@lists.myitforum.com<mailto:exchange@lists.myitforum.com> Subject: RE: [Exchange]Ex2013 all messages stuck in undefined submission NEW ERROR ok, although in the queue viewer there is no last error, when I look at the message itself there is a last error [{LRT=}:{LED=}:{FQDN=}:{IP=}] ________________________________ From: woody.black...@oit.edu<mailto:woody.black...@oit.edu> To: exchange@lists.myitforum.com<mailto:exchange@lists.myitforum.com> Date: Thu, 22 Jan 2015 08:53:50 -0800 Subject: RE: [Exchange] Ex2013 all messages stuck in undefined submission What is the "Last Error" displayed in the messages queues? I had a similar problem, although with a Split Exchange 2013 Mailbox CAS implementation. The remediation steps may be helpful in your case if the errors are DNS related. From: listsad...@lists.myitforum.com<mailto:listsad...@lists.myitforum.com> [mailto:listsad...@lists.myitforum.com] On Behalf Of J- P Sent: Thursday, January 22, 2015 8:12 AM To: exchange@lists.myitforum.com<mailto:exchange@lists.myitforum.com> Subject: RE: [Exchange] Ex2013 all messages stuck in undefined submission its in submission, appears both ways although we can "send" nothing ever leaves, and nothing has come in (internal or external) Jean-Paul Natola ________________________________ From: gavin.wi...@smppartners.com<mailto:gavin.wi...@smppartners.com> To: exchange@lists.myitforum.com<mailto:exchange@lists.myitforum.com> Subject: RE: [Exchange] Ex2013 all messages stuck in undefined submission Date: Thu, 22 Jan 2015 16:03:26 +0000 Stuck where? In the outbound queue or coming into the exchange? Gavin Wilby IT Support Engineer From: listsad...@lists.myitforum.com<mailto:listsad...@lists.myitforum.com> [mailto:listsad...@lists.myitforum.com] On Behalf Of J- P Sent: 22 January 2015 15:37 To: exchange@lists.myitforum.com<mailto:exchange@lists.myitforum.com> Subject: [Exchange] Ex2013 all messages stuck in undefined submission As the title says, all messages stuck since last night, I have restart the transport services and no joy- People can connect (owa/outlook) they can send , but obviously not receiveing 2012r1/EX2013 hyper v , running on 2012r1 thanks SMP Partners Limited, SMP Trustees Limited and SMP Fund Services Limited are licensed by the Isle of Man Financial Supervision Commission. SMP Accounting & Tax Limited is a member of the ICAEW Practice Assurance Scheme. SMP Partners Limited registered in the Isle of Man, Company Registration No: 000908V Directors: M.W. Denton, M.J. Derbyshire, P.N. Eckersley, S.E McGowan, O. Peck, J.J. Scott, S.J. Turner SMP Trustees Limited registered in the Isle of Man, Company Registration No: 068396C Directors: A.C. Baggesen, M.W. Denton, O. Peck, J.J. Scott, J. Watterson, J. Cubbon SMP Fund Services Limited registered in the Isle of Man, Company Registration No: 120288C Directors: V. Campbell, M.W. Denton, P.N. Eckersley, D.A. Manser, S.E McGowan, O. Peck, J.J. Scott, R.K. Corkill SMP Accounting & Tax Limited registered in the Isle of Man, Company Registration No: 001316V Directors: I.F. Begley, A.J. Dowling, P. Duchars, P.N. Eckersley, J.J. Scott, S.J. Turner SMP Capital Markets Limited registered in the Isle of Man, Company Registration No: 002438V Directors: M.W. Denton, M.J. Derbyshire, D.F Hudson, S.E McGowan, O. Peck, J.J. Scott. SMP Partners Limited, SMP Trustees Limited, SMP Fund Services Limited, SMP Accounting & Tax Limited and SMP Capital Markets Limited are members of the SMP Partners Group of Companies. This email is confidential and is subject to disclaimers. 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