Please contact support@lansweeper.com and provide us with:
• Program Files (x86)/Lansweeper/Service/Errorlog.txt, as present on your Lansweeper server.
• Screenshot of one problem machine’s Lansweeper webpage.
• Screenshot of a connection test performed to the client machine using testconnection.exe: http://download.lansweeper.com/tools50/TestConnection.exe
Perform the test on your Lansweeper server, check “alternate credentials”, submit the same credential used by Lansweeper to scan the machine and show us the entire test window.