Posted on 2006-04-30
Last Modified: 2008-05-14
how can i enable or change snmp community string in win2k3 machine
Question by:ammadeyy
    LVL 30

    Expert Comment

    this is an NJcomputernetworks solution from PAQ

    Simple Network Management Protocol
    SNMP uses the default UDP port 161 for general SNMP messages and UDP port 162 for SNMP trap messages. If these ports are being used by another protocol or service, you can change the settings by modifying the local Services file on the agent. The Services file is located in \%SystemRoot%\System32\Drivers\Etc

    There is no file name extension. You can use any text - based editor to modify the file. The management system must also be configured to listen and send on the new ports.

    Author Comment

    i check for ports from services, it seems ok

    i am using solarwinds switch port mapper

    in router/server i have put my win2k3 machine ip and community string
    its givin error message, doest not reply to SNMP Queries using private is win2k3 machine
    private is community string
    LVL 30

    Expert Comment

    not familar with the Solarwinds product...perhaps another Expert can jump in on this one.
    LVL 74

    Expert Comment

    by:Jeffrey Kane - TechSoEasy
    To enable SNMP in Server 2003 you must install it from Add/Remove Programs > Add/Remove Windows Components > Optional Networking Components > Management and Monitoring Tools > Details... > Simple Network Management Protocol.

    You'll need the original CD or an intallation file location to complete the installation.  Then, once it's installed, open up the services.msc and you'll see both SNMP Service and SNMP Trap Service listed.  Right click on the SNMP Service and there is a tab for configuring various SNMP elements.

    LVL 6

    Accepted Solution

    Under SNMP service, you will find security tab
    Under accepted community name, click add
    I recommend you to use "Read only" community rights for monitoring only. Please don't use the word "public" as community name. This is the default community name in many snmp system and it is a well know security issue.

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