Even though you configure these settings during deployment for fresh installations, or by migrating or importing existing infrastructure, if you do not monitor them over time, you might end up with a series of issues that NTP drift might cause, such as failing vSphere vMotion tasks. With Diagnostics, you can see if NTP is not configured or is out of sync for each object in your environment.
VMware Cloud Foundation Operations provides information about the NTP configuration for vCenter, ESX and NSX Manager.
Diagnostics reports whether NTP is configured for a given component, and if so, the NTP servers used. The count of configured/non-configured components only includes components that are accessible. Use the dashboard linked to the tile to verify that components within the same VCF deployment are configured with the same NTP servers.
Diagnostics also reports the NTP server drift. The drift is computed for each component by fetching the current time from the component, subtracting the current time of the VCF Cloud Proxy performing this check, and adding to the difference the Collector’s time drift from its NTP server. This calculation is performed every 5 minutes for vCenter and NSX Manager, and every 6 hours for ESX.
Note: VMware Cloud Foundation Operations includes the VMware Infra Health Overview dashboard that shows NTP configuration data. You may observe some transient discrepancies between the two. This Infra Health dashboard is populated by data from SDDC Manager while Diagnostics uses data from the individual components. SDDC Manager data is refreshed once every 24 hours.
Note: Operations needs to be set up with a valid NTP source for the checks in this dashboard to function.
Operations for VMware Cloud Foundation 9.0
Problems with NTP Dashboards
Problem: NTP information is not reported for some endpoints
Resolution: VC or NSX adapter may be stopped
Problems with NTP
For troubleshooting and known issues related to NTP time synchronization
Troubleshooting NTP on ESX and ESXi 6.x / 7.x / 8.x
Problems caused by NTP configuration
Instructions for Configuring NTP
Configuring Network Time Protocol (NTP) on an ESXi host using the vSphere Client
Configuring vCenter Server to use a Network Time Protocol (NTP) server
vSphere ESXi 7.0 U3 and later versions NTP configuration steps loading a text file containing