Network operation did not complete in a reasonable amount of time

Hi Experts,

One our premium user having 1Gb of mail file size, and 200 folders from primary server when he is trying to archive some mails(Size 1 KB also) it is taking lot of time and popups (Network operation did not complete in a reasonable amount of time) error, we checked at cluster server its fine, we ran maintance commands and created new replica from cluster server also but no luck please help me to solve this issue…