I replaced a cisco 2960 with a 9300, same ip address. ER now won't update the ports for new switch or find any phones, what am I missing?-Tried delete and readd the switch, ER seems to remember the previous switchports and doesn't update them to curr...

I'm unable to add Emergency Responder subscriber, during install wizard on sub receive error"Configuration validation with <server name> failed. Configured first node is not a publisher." I've verified address of publisher is valid, on admin page of ...

Have a CUCM cluster, publisher with subscriber. I was hoping to test out an upgrade from 11.5 to 12.5 by cloning publisher and upgrading offline. Upgrade completes fine but after database seems stuck in initializing, and I'm unable to add/remove devi...