I upgraded all of mine to 10359. 

I personally never had the issue come up on my UCCX. I'm running 12.X. I did have it on CUCM, Unity, and IM&P. I have not had the issue come up since locking them to specific hosts. I do think upgrading the hardware did help but I would not move past...

Update on the issue. Without much help from Cisco I had the issue come up again Monday. After digging through the vm events I found that the boxes with the NTP issue had v-motioned to a new host. Once I moved them back and restarted the NTP service w...

Do you know the Build Version of ESXi 7 you are running? I know mine was fine until I went to 18538813. The previous build of 7.0 U2 was fine. 

I have a ticket open with VMware and they suggested moving to 7.0 U3. I'm a bit hesitant to upgrade since it is not supported by Cisco. I'm trying to get my Cisco rep to escalate this currently since TAC has not been very helpful so far. Rebooting di...