Sorry for late,
The performance problem arises after the update the previous version 17.1 working really smoothly.
Yes, the system have enough resources.
No DNS Problem.
occur externally and in-house.
Using Google chrome, mozila as well as opera facing the same problem.
I got this error when I checked the Network tab under the developer tools. I think so there is a prblem with the rocket chat its not properly setup in our system. Is there any option than I can disable rocket chat from my Egroupware.?
Restarted the server several times but performance didn’t met.