Hi,
We have recently (Past 4 day) upgrade ESXI 6.0 to 6.7 GA also we have upgrade windows base vcenter server 6.0 to 6.7.
We have face below mention issue after upgrade.
(1) In performance chart real time chart not showing up to 1 hour after 60 min to 70 min it is automatically clear it is showing afresh chart no further show real time monitoring, below screen shot for your reference. we have checked in Vcenter & vsphere client both the same issue
Kindly help for this