1. Check the computer name have been listed on the Default Group or not. if not listed Check the Computer login audit trail.

They are in the Default Group

  1. Ping from the PC Client to PC console, tried with ping host name and IP

I can ping the console using both the hostname and the IP

  1. From the client setting, change the avast! Administration console Server name to IP address

I did this on a few clients and it doesn’t appear to make any difference