Communication Server

How to profile event distribution in communication server

01/27/2022Content Creator
Procedure Name How to profile event distribution in communication server. Procedure Steps Enable the following flag on the communication server that needs profiling in the acs.ini file in the existing [Service] section and restart communicatio...

Access panels go offline randomly or Comm Server shows growing memory utilization (EE 9952)

11/03/2020Steve Goldstein
This article includes entries in the ACS.ini file in order to handle growing memory utilization of the LS Communication Server service

LS Communication Server crashes after panel download or firmware update

03/12/2019April Daniels
Symptom   LS Communication Server crashes after panel download or firmware update. The following is observed in the Windows Event log: Application: Lnlcomsrvr.exe Framework Version: v4.0.30319 Description: The process was terminate...

Communication Server CPU usage is high due to temporary access level

01/19/2018April Daniels
Symptom Communication Server CPU usage is high due to temporary access level downloads Resolution Without any settings in place, the Communication Server will attempt to download temporary access levels to every panel, concurrently.  In...

Alarm Events do not appear in Alarm Monitoring after Comm Server has been restarted

01/21/2014April Daniels
Symptom Events that occurred at the panel during a Communication Server outage do not populate the Main Alarm Monitor window in the Alarm Monitoring application. Resolution   This behavior is normal. When the Communication Server s...

How to Monitor Communication Deadlocks

10/27/2013April Daniels
Symptom A panel is online, but it is not polling any events. It is possible that the COM port is deadlocked.  Resolution To resolve this issue: Stop the Communication Server. Add the following settings to the ACS.INI under the [Comm...

What do these 3 types of lenel error log messages mean? [1. Internal logic error.: Failure writing to client 49] [2. Database error encountered.: Serial Number: ] [3. Database error encountered.: CheckForDuplicateSerialNumber]

02/07/2012April Daniels
Question What do the following Lenel error log messages mean?   Internal logic error.: Failure writing to client 49  Database error encountered.: Serial Number:  Database error encountered.: CheckForDuplicateSerialNumber Answer ...

What do these 3 types of lenel error log messages mean? [1. Internal logic error.: Failure writing to client 49] [2. Database error encountered.: Serial Number: ] [3. Database error encountered.: CheckForDuplicateSerialNumber]

02/07/2012April Daniels
Question What do the following Lenel error log messages mean?   Internal logic error.: Failure writing to client 49  Database error encountered.: Serial Number:  Database error encountered.: CheckForDuplicateSerialNumber Answer ...

How does the Communication Server process events to be written to the OnGuard database?

01/19/2011April Daniels
Question How does the Communication Server process events to be written to the OnGuard database? Answer Events to be written to the OnGuard database are buffered internally by the Communication Server. If the number of events received excee...

Error after applying settings to AlphaCom Exchange: ''System Error - Faulty response from AMC_CMD_SERVER: Socket Timeout''

05/24/2010April Daniels
Symptom After applying settings to an AlphaCom Exchange, the following error message appears: "System Error - Faulty response from AMC_CMD_SERVER: Socket Timeout" Resolution This error message occurs because communication was temporari...