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Monitor IBM Domino with SNMP

I’m working alot with PRTG lately, monitoring IBM (Lotus) Domino is a simple, but not so well documented task, so figured i’d write down a “howto” šŸ™‚

Start with adding the SNMP Service to you windows installation through “Server Manager”, and let it install – normally it dont need a reboot.

After the installation of the service is complete, go to the services console and right-click the SNMP Service, and click properties

Go to the security tab, disable “Send Authentication trap”, add a community – often “public”, for monitoring purposes “Read Only” is enough.
Allow the host you want, or any host to access the SNMP data.

Now we’re gonna install the Domino SNMP Agent service, which feeds data to the Windows SNMP agent:
Open a command prompt with administrative priveleges, and write:

CD C:\Program Files\IBM\Domino
net start lnsnmp


If you get this error while trying to install the Domino SNMP Agent service (LNSNMP -Sc), most likely you didnt do step 1 and install the Windows SNMP Service.
Error opening registry key "SNMP"
Error Detail: RegOpenKeyEx error code 2 (The system cannot find the file specified.)
Full key: SYSTEM\CurrentControlSet\Services\SNMP\Parameters\ExtensionAgents
Service deletion failed.

Lastly you need to force Domino to write stats to the SNMP Agent, this you do by launching the Domino Console, and sending these commands:
load quryset
load intrcpt
load collect


This needs to be done everytime the Domino server is restarted, so you need to add it to the Domino servers notes.ini file.


The Domino.mib is located in the “C:\Program Files\IBM\Domino” folder, and you can use this with PRTG, SNMPwalk or whatever tool/application you want.
Tips for useful OID’s for Domino, can be found here: Ajitabh Pandey’s blog

Categories: Monitoring Tags: , , ,
  1. anand
    25/05/2018 at 12:42

    Very helpful. Thanks alot for the detailed steps

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