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…
Category: Unified Communication
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…
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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
Convert LDAP synced users to local user using SQL Query
Convert a single LDAP Synchronized User to Local User, use below command run sql update enduser set fkdirectorypluginconfig=NULL where userid= ‘<USER-ID>’ To convert all LDAP Synchronized User to Local User in bulk use below command run sql update enduser set fkdirectorypluginconfig=NULL where userid like ‘%’
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….
How to pull the install logs using the Recovery Disk
Gain access to command line and find location of install logs Mount Recovery Disk Reboot System and boot to Disk Press “Alt + F2” to get to the Command Prompt Type “df -h” to show the available partitions. The biggest partition should have the install logs. In this example, its part6. The install logs should…
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…
CUCM & IMP migration failed during PCD Network Migration Task
Today when i was migrating a 10.5 UC cluster to 14 during the CUCM subscriber migration after network validation, i saw a warning message on the screen.. “Critical Error” “The installation has encountered a unrecoverable internal error. For further assistance report the following information to your support provider. Unrestricted string is empty The system will…
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…
CRAZY NETWORKING 