Check to make sure the Expressway-C has a reverse DNS record for the Expressway-E’s IP address.
Also, upload your Logs to here: https://cway.cisco.com/csa/ CSA usually has good advice for MRA issues. Thanks Tommy Tommy Schlotterer | Engineer Presidio | presidio.com<http://www.presidio.com/> 20 N Saint Clair 3rd Floor, Toledo, OH 43604 D: 419.214.1415<tel:419.214.1415> | C: 419.706.0259<tel:419.706.0259> | tschlotte...@presidio.com<mailto:tschlotte...@presidio.com> [https://www2.presidio.com/signatures/Presidio_Blue_FutureBuilt_200px.png]<http://www.presidio.com/> From: cisco-voip <cisco-voip-boun...@puck.nether.net> On Behalf Of Dana Tong Sent: Wednesday, April 1, 2020 6:26 PM To: cisco-voip@puck.nether.net Subject: [cisco-voip] Can MRA work with old UCM configured with IP addresses? EXTERNAL EMAIL Hi all, I have a customer who was installed some 9 years ago and the hosts were all configured with IP address instead of FQDN. They’re up on UCM 10.5(2) now and I have spun up Expressway X12.5.7. The UC Traversal zone is up and running. The Expressway’s have certificates installed. However I am hitting issues with getting the edge config and signing in. I get the usual “cannot communicate with server” when I try to login with Jabber. I’ve tried changing some things such as configuring the UCM, IM&P, Unity servers in Expressway-C by IP or FQDN and have had some varying results on the Collaboration Solution Analyser. Sometimes its downloads the user UDS configuration and sometimes it doesn’t. Is MRA do-able with the UCM using IP address? Or am I going to have to bite the bullet and reconfigure all the devices to use FQDN for their clustering? Or is there some kind of easy fix? Cheers Dana This message w/attachments (message) is intended solely for the use of the intended recipient(s) and may contain information that is privileged, confidential or proprietary. If you are not an intended recipient, please notify the sender, and then please delete and destroy all copies and attachments. Please be advised that any review or dissemination of, or the taking of any action in reliance on, the information contained in or attached to this message is prohibited.
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