Jobs will cease to to execute. New jobs scheduled will not show anything in the status. In the axEngine.log you'll notice numerous errors and information such as:
aaa-OnWSANotify () called with an error of: 10053 (WSAECONNABORTED)
aaa-FD_CLOSE received socket (1234) - added to read queue, Error: 10053.
aaa-CSessionList::AddSocketToReadQueue - Entered.
aaa-List: Added socket (1234) to READ list.
aaa-CSessionList::AddSocketToReadQueue - Exited.
bbbb-CSessionList::MoveSocketsToRead - Entered.
bbbb-List: RECV THREAD, Moved Read Queue to Read List (size 1).
bbbb-CSessionList::MoveSocketsToRead - Exited.
bbbb-List: Erased socket (1234) from Read List because it is going to be processed.
bbbb-CSessionList::FindComputer (SOCKET, BOOL ... ) - Entered.
bbbb-Locked Session 0 - socket (1234) - ( 0xbbbb ) - 1
bbbb-CSessionList::FindComputer (SOCKET, BOOL ... ) - Exited.
cccc-CSessionList::MoveSocketsToRead - Entered.
bbbb-Socket: ERROR received on socket (1234) - 10054, WSAECONNRESET.
cccc-List: RECV THREAD, Moved Read Queue to Read List (size 0).
bbbb-Error reading from socket (1234), Error: 10054 (10054 (WSAECONNRESET))
cccc-CSessionList::MoveSocketsToRead - Exited.
bbbb-Error 10054 (WSAECONNRESET) during recv () on socket (1234).
cccc-List: No data on sockets to read.
bbbb-CSessionList::AddSocketToCloseQueue - Entered.
These WSAE errors are believed to be related to the engine becoming incapable of processing jobs and/or communicating with clients.