The system ID is completely unique per physical server. To transfer the license to a new machine you will need to contact TAC and have them generate a ticket with licensing. It sucks I know, I've dealt with more licensing issues and CVP then most, hehe ;)
For customer production equipment, Chad is correct. Open a TAC case.
To your questions ...
1. sort of.
You can see how it works if you install CVP on a VM where you can generate the same MAC address. Even if the MAC address is the same, if the IP address is different, you will see a different System ID. I don't know the algorithm, but I played with it a lot. It's kind of fun.
2. sort of
3. not normally. With VMs where the MAC address can be maniplulated, even if the System IDs are different, the same licence file will sometimes work. It's pretty bizarre, and just for labs. But this is what I found.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...