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CUC Backups May Fail After Unity Upgrade to 10.5(1)
I was troubleshooting a weird issue with Cisco Unity Connection 10.5(1): after the upgrade from version 9.1 the backups started to fail. The message was: “ERROR: Backup failed due to an interruption...
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CUCM 10.5.1: CSR SAN and Certificate SAN Mismatch
I’ve been lucky to hit another bug today. Brand-new deployment of CUCM/CUC/CUPS version 10.5.1 and I’m unable to upload a freshly-generated SAN certificate from Starfield. I would get the following...
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CUCM 10.5: L2 Updates May Get Stuck When Optional Email Notification Is Selected
So I encountered another issue today: I was updating an existing 10.5 CUCM cluster with a new patch (10.5.2.10000-5) and the process would get stuck after a few minutes of the upgrade initiation. The...
View ArticleX8.5 Software for VCS/Expressway is here
Yesterday (December 17, 2014) Cisco has released a much-anticipated X8.5 update to their VCS/Expressway appliances. In addition to some cool new features (support for SSO to CUCM over MRA, CDR...
View ArticleJabber for Windows 10.6 is officially here
Cisco has released an updated version of Cisco Jabber for Windows, now available for download on CCO. There are too many improvements to mention, so it’s best if you check out the posted Release Notes...
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Cisco Unity Connection: “Failed to Send Message”
I took a long break from blogging, not because there’s nothing to blog about, but because I’ve been tremendously busy at work. Since my last post, I have moved the blog to another hosting provider...
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J4W 11.0 + CWMS 2.5 = CSCuu81060
Since Jabber 11.0 has been officially released and posted on CCO, we have done a company-wide upgrade from 10.6 to 11.0. Shortly after, our end users started complaining about inability to start or...
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Unable to Share Screen in CWMS
Another day, another bug: there have been reports from WebEx users that they are no longer able to share their screen or individual applications in WebEx meetings. There are no errors, no pop-ups – no...
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Cisco Jabber 11.0(1) Released
Cisco has released an updated version of Cisco Jabber for Windows (build number 11.0.1.19000), now available for download on CCO. This version adds 29 new emojis! Thank you, Cisco, you’ve heard our...
View ArticleCWMS 2.5 MR6 is here
This Maintenance Release, which was made available for download on CCO today, fixes quite a number issues, so an update is recommended. One of the fixes is a minor (perceived to be almost cosmetic)...
View ArticleServer Identity Cannot Be Verified
There was an interesting case that was brought to my attention just the other day: a SAN SSL certificate for the Exchange environment has been replaced and properly installed on all Internet-facing...
View ArticleJabber and Surface Pro 4
Those of you who have customers with Microsoft Surface Pro 4 tablet (or who are users of Pro 4 him/herself), please note that there is a known defect with Cisco Jabber for Windows and Cisco Jabber for...
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CUP Publisher Installation Stalls/Fails
It looks like I’m hitting another Cisco bug, this time at the installation of CUP Publisher node for a recently recovered CUCM cluster of two nodes. The installation from a bootable ISO goes smooth for...
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Login Failed: AD Authentication Breaks After Upgrading BIG-IP LTM to v12.x
If you happen to have F5’s BIG-IP LTMs in your environment and have gone to upgrade the software to the latest-and-greatest release 12.0 (to address some of the discovered vulnerabilities), you may...
View ArticleOpenSSL January 2016 Vulnerability
Cisco has released a patch for OpenSSL January 2016 vulnerability that is described in CVE-2016-0701. The patch for in a form of a COP file can be downloaded off CCO for version 11.0(1) or 10.5(2). No...
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MRA: Unable to communicate with ‘servername’. UcxnError: ‘HTTPError:403’.
Have you seen this one on your MRA (Expressway): “Failed: Unable to communicate with <server name>. UcxnError: ‘HTTPError:403‘”? It happens when you try to add or re-add the Unity Connection...
View ArticleCWMS 2.6 MR2 Is Here
A new maintenance release for Cisco WebEx Meetings Server 2.6 has been made available on CCO for download today. The build number for the CWMS is 2.6.1.39. Release notes have yet to be updated, but you...
View ArticleTwo Issues, One Fix: SELinux Enforced vs. Permissive Mode
So I’m performing an upgrade of yet another CUCM and CUC clusters from 10.5.2 to 11.0.1 (my fifth this month!) and I get two separate issues post upgrade: Issue #1: High CPU utilization on both Pub and...
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How to Dump Install Logs to Serial Port – The Proper Way
Howdy! Those of you are struggling to follow the instructions of dumping the install logs to a serial port of a Cisco UC (CUCM/CUP/CUC) VM using any of the official public guides (see here and here),...
View ArticleCUP Server Recovery – The Proper Way
Howdy! If you ever happen to be tasked with recovery of CUCM IM & Presence (a newer name for CUP) server, perhaps this post will help you. Disclaimer: The following recovery process worked for me...
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