The client operation failed Share on Facebook Post on reddit Tweet on Twitter Share on LinkedIn Home › Forums › Messaging Software › Exchange 2000 / 2003 › The client operation failed This topic has 4 replies, 4 voices, and was last updated 9 years ago by Anonymous. Viewing 1 post (of 1 total) Author Posts eraveMember Nov 14, 2011 at 5:41 am #156805 I have a client thats gets since today the next message “The client operation failed” when he trys to sent a message intern of the company. When he sends outside the company there is no problem. He has a windows 7 pc and office 2010. It has worked fine for several months. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.