Very persistent NTP issues on VCSA and PSC appliances

May 11, 2017 Kim Bottu 0

For the 2 weeks I had been having very annoying NTP sync issues on some of my VCSA and PSC appliances in one of the datacenters. While my SSO domain and vCenter enhanced linked mode were for the most part working properly, it still bugged me that the NTP clocks on my PSC and VCSA in datacenter 1 were properly syncing with the NTP source (windows NTP source), but the NTP time on my PSC and VCSA in datacenter 2 were always off with somewhere between 3 to 7 minutes with the clocks of all my other appliances and Windows VM’s.  They did how ever sync properly with each other.  (For trouble shooting purposes, I pointed all appliances to a single NTP source in a single […]

vCNS 5.5 to NSX 6.2.3 upgrade – vCenter Lookup Not connecting

June 29, 2016 Kim Bottu 1

Yesterday I performed a vCNS 5.5 upgrade to NSX 6.2.3. I did run into issues later on the day thanks to NTP, there is a small gotcha here even if you had set it up correctly! The environment: vCenter 5.5 VCSA + embedded SSO ESXi 5.5 vCNS 5.5 ( vShield Manager + vShield APP Firewalls) some VMs ( including DHCP and Domain Controller) NTP running from a Windows Server   Performing the upgrade of vCNS is pretty straight forward:   Download the NSX upgrade package: VMware-vShield-Manager-upgrade-bundle-to-NSX-6.2.3-3979471.tar.gz. Open the vCNS vShield Manager Go to Updates and Upload Upgrade Bundle After the upgrade you might end up with a web interface which looks like a mix of vCNS and NSX. Flush the […]