2018-05-28 19:01:00.902 VPN Connection Setting "grace": Connection operation starting (this is now 1 times).
2018-05-28 19:01:20.182 VPN Connection Setting "grace": The connection has been either disconnected or it failed. Cause: There are too many sessions connected to either the destination server or Virtual Hub. (code 16)
2018-05-28 19:02:06.424 Connection processing for VPN Connection Setting "artemishub" has started.
2018-05-28 19:02:06.424 VPN Connection Setting "artemishub": Connection operation starting (this is now 1 times).
2018-05-28 19:02:11.972 VPN Connection Setting "artemishub": The connection has been either disconnected or it failed. Cause: There are too many sessions by the same user. Other person might be connected to the Virtual Hub as the same user. (code 20)