I've seen other similar issues with the 'Refresh Upgrade Failed' error popping up, but can't some to find my error.  Has anyone seen this one?"Error detected in pre-boot phase.  Unable to revert to original version.  Change in software RAID ...

I've created the List.xml file and the logo.png file, uploaded them to the tftp server, stopped/re-started tftp, but no luck on the phones. I've found plenty of documentation for how to make it all work, but can't seem to get it to fly. Anyone have...

The security team for my company is asking me questions about the TFTP directory on my Windows call managers. Does anyone know the default access levels? Read, write, execute, etc. Also, can it be changed without ill effect? What services access ...

I'm running a pilot of about 20 devices in my network using Cisco VT Advantage. I'd like to know how many successful video calls have been made in the last week. Does anyone know how/where/if I can find this type of information. I know that I coul...

I have a 6.1 cluster up and running with one Pub and one Sub. I'm trying to add another Sub to the cluster but only have 6.0 media. When I try to add this machine to the cluster I get a version mismatch error. I can't get a straight answer from an...