Cloud Connected UC is a global view of our on-prem UC from Control Hub.It provides a centralized cloud-based tool for analytics and troubleshooting. Before you begin Ensure that your network firewalls and proxies allow access to the following URLs: Activate Webex Cloud Connected UC For Unified CM 12.5 SU4 or higher versions, you can onboard…
Category: CUCM
Sync agent failed to start after uploading Tomcat certificate signed by RSASSA-PSS
My customer provided me signed certificates for the CSR i generated from the CUCM and IMP. After uploading all sudden the IMP sync agent stopped working. Both CUCM and IMP accepted the certificates and there was no error messages. The SYNC agent logs was throwing Bad certificates errors but it was not informational. The customer…
XMPP per IP limit CUCM 14
Last week working with a customer i ran in to an issue where all jabber user who connect through VPN where unable to login. Working with Cisco TAC, we found this is due to the new feature introduced on CUCM 14 which by default permit XMPP connection form 10 Device with same IP. You can…
DNA is still initializing. Please refresh the page and try again after sometime
You might have seen this message when Do analyzing the dialed Number. To get rid of this, disable the below services And start the services in the order
How to Turn OFF ungraceful Shutdown Warning
From version 12.5 SU 4 if shutting down the server ungracefully you will see WARNING: Ungraceful shutdown detected – A rebuild of this node is highly recommended to ensure no negative impact (such as configuration or file system corruption). For rebuild instructions, see the installation guide. All ungraceful shutdowns and restarts will not cause corruption….
Non Defined IMS Exception after upgrade
Last few weeks i was busy migrating multiple clusters across this region. Post migration couple of clusters throw me the message “Non Defined IMS Exception” when i enter the username and password. Its a Bug (CSCvp43563 ) which you need to work with TAC. Before you work Cisco TAC, follow the below steps and copy the…
Motorola PBX and CUCM Integration 200 Ok Issue
Motorola PBX is complaint on SIP RFC 3581 and CUCM is complaint on SIP RFC 3261. Due to this RFC compliance issue there are issues with SIP call setup between both of the Call Processing Servers, that is, CUCM and Motorola PBX Motorola PBX has an “rport” parameter in the “Via” header field of the…
The number of devices in a single Unified Communications VLAN
Yesterday a customer ask me if he can install a CUCM on a class B subnet which has 2046 IP address. The answer is … Thumb Rule A good rule of thumb is to limit the number of devices per VLAN to about 512, which is equivalent to two Class C subnets (that is, a…
Reason codes for LastOutOfServiceInformation
ReasonForOutOfService=10 — TCPtimedOut – The TCP connection to the Cisco Unified Communication Manager experienced a timeout error ReasonForOutOfService=12 — TCPucmResetConnection – The Cisco Unified Communication Manager reset the TCP connection ReasonForOutOfService=13 — TCPucmAbortedConnection – The Cisco Unified Communication Manager aborted the TCP connection ReasonForOutOfService=14 — TCPucmClosedConnection – The Cisco Unified Communication Manager closed the TCP…
Flex Provisioning
With flex license, you will be getting a Provisioning EMail. Even If you don’t activate the license within 30 days the billing will gets started automatically. Todays blog is about how to provision and starting a Webex messaging subscription. Open the email you received titled Provisioning information required for order…, and click Set Up Your…
CRAZY NETWORKING 