After the machine recovers from sleep/hibernate mode, the Pulse connection intermittently gets failed with an error "Authentication Rejected by the server (Error:1308)" on MAC Sierra machines if Host Checker is enabled.
In the debuglog, the following entries will appear:
00267,09 2017/05/29 10:01:57.646 1 root dsAccessService HostCheckerServicePS p0065 tAB1B DOproxy.mm:354 -
'HostCheckerServicePS' DO exception 'NSObjectInaccessibleException' in IHostCheckerImpl::ReceiveMessage. Reason: NSDistantObject (0x7921ea60) is invalid (no connection)
00164,09 2017/05/29 10:01:57.647 1 root dsAccessService eapService p0065 tAB1B HostCheckerClient.cpp:361 -
'TestAndHandleError' ReceiveMessage failed with error 0xe0010002