"Time service is currently not synchronized" error seen on host after upgrading to version prior to ESXi 7.0 U3i

Products

• VMware vSphere ESXi

Issue/Introduction

If this is due to false alert

• Time service is currently not synchronized error seen on host after upgrading to version prior to ESXi 7.0 U3i
• NTP is synchronized (in ntpq -p command) and the time service monitoring function is sending false alerts

For example 
ntpq - p
remote                     refid            st  t   when     poll  reach     delay      offset jitter
==============================================================================
*example.domain. <ipaddress>             2    u 985   1024 377 2.649 +0.206 1.544 <-- NTP is in-sync.

NOTE: For NTP itself fails to sync (which causes valid alerts) refer to KB -ESXi host has lost time synchronization error prior to version ESXi 7.0 Update 3c

Resolution

This issue is resolved in VMware vSphere ESXi 7.0U3i - To download go to - Download Broadcom products and software

To workaround this issue
1.On vSphere Client, go to Configure -> System -> Time Configuration tab, select "Network Time Protocol" and click on EDIT button
2. From the configuration box, uncheck "Enable monitoring events"
3.  Click the OK button

Additional Information

Impact/Risks:
None