Error: Lost connection to lmgrd, heartbeat timeout expired, exiting. EXITING DUE TO SIGNAL 28 Exit Reason 5 in License server

This issue can occur when there is a break in the communication within the 7279 daemon port of the licensing server. The break can occur because of a random port scanning on the server.

Verify the lmadmin.log file for the Licensing server in the c:program filescitrixlicensinglslogs folder. This lmadmin.log file initially shows that there is a continued break in communication.

User-added image

The c:program filescitrixlicensinglslogsCITRIX.log file gives more information about the loss of connection to the Licensing Server:

User-added image

The preceding error indicates that there is a loss of connection, because the heartbeat is timing out.

In this scenario, the application event log shows a consistent entry from McLogEvent. This entry is a port monitoring software function from McAfee:

User-added image

The port scanning software is interrupting the established connections to the Citrix Licensing server causing the heartbeat to the port to timeout and eventually causing the service to lockup.

Related:

Leave a Reply