Troubleshooting

This section lists solutions for a few typical issues that you might encounter while using the SNMP service.

Third-party application can not connect to the SNMP service

Make sure that SNMP support is installed in Windows. SNMP support is disabled by default.

To allow SNMP support in Windows 10:

1. Navigate to Control Panel.
2. Open the Add or Remove Programs menu.
3. Click Turn Windows features on or off.
4. In the Windows features list, navigate to the SNMP feature, and then click OK.
5. Navigate to Control Panel → Administrative Tools → Services.
6. Choose the SNMP service and run it.
7. Check if listening works by testing it with netstat, for a standard UPD-port.

SNMP support is allowed in Windows 10.

SNMP service is working, yet the third-party application cannot get any values

Allow SNMP agent tracing and make sure that a non-empty file is created. This means that the SNMP agent is properly registered and functioning. After this, allow connections from the SNMP service in the side service settings. If a side service operates on the same host as the SNMP agent, the list of IP addresses should contain either the IP address of that host or loopback 127.0.0.1.

An SNMP service that communicates with agents should be running in Windows. You can specify the paths to SNMP agents in the Windows Registry via regedit.

• For Windows 10:

  HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SNMP\Parameters\ExtensionAgents

• For Windows Vista and Windows Server 2008:

  HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\SNMP\Parameters\ExtensionAgents

You can allow SNMP agent tracing via regedit as well.

• For 32-bit systems:

  HKEY_LOCAL_MACHINE\SOFTWARE\KasperskyLab\Components\34\1093\1.0.0.0\SNMP\Debug

• For 64-bit systems:

  HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\KasperskyLab\Components\34\1093\1.0.0.0\SNMP\Debug

  "TraceLevel"=dword:00000004

  "TraceDir"="C:\\"

Values do not match the statuses of Administration Console

In order to reduce the load at Administration Server, the caching of values is implemented for the SNMP agent. The latency between the cache being actualized and the values being changed on the Administration Server may cause mismatches between the values returned by the SNMP agent and the actual ones. When working with third-party applications, you should consider that possible latency.

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