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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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Issues with TMSPE after upgrading to TMS version 15.2.1
OK, folks, so you want to keep your Cisco UC systems up-to-date and decided to upgrade your TelePresence Management Suite (and extensions for it) to the latest-and-greatest. You’ve done your due...
View ArticleJabber for Windows: “Cannot communicate with the server”
Hello folks! I was delaying this post for a while, hoping to find a resolution to the issue that I’ve been working on for over a month now. This is a somewhat unique case which may not be experienced...
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Cisco Phone Security: End-to-End Signalling and Media Encryption with SME
Hello folks! For those of you who are in charge of a large VoIP environment with multiple CUCM clusters, I dedicate this post. This is going to be a multi-part document, since the topic being covered...
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Unable to Sign-in to WebEx PT/WebEx Assistant or Launch WebEx Meetings
Those of you, who have upgraded their CWMS environments to version 2.7(1), please note that there was a change in the way this new version of WebEx is dealing with TLS Support. TLS 1.0 is no longer...
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Unable to communicate with ‘cup-server.fqdn’. AXL query HTTP error...
Okay, folks, if you are see the following error when you add the CUP node to your Expressway-C while implementing MRA, then you are probably not alone: The solution is quite simple: make sure your CUP...
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LDAP Directory Synchronization throws HTTP 500 error
Recently, I came across a case when LDAP Directory Synchronization stopped syncing users in one cluster. When attempting to do a manual sync, the CUCM would throw the following error: HTTP Status 500...
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Jabber SSO: “Invalid SAML response” on logon.
I came across an interesting issue with Jabber shortly after implementing a Single Sign-On for one of the clusters. Upon launching Jabber, the following message would appear: “Invalid SAML response....
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VMware Tools fail to update due to SELinux denials
Another day, another bug. This one has to do with VMTools status showing “Not running (Not installed)” for my Call Manager running 11.5.1.14900-11 following the ESXi hypervisor upgrade to version...
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