From your post I understood that your Windows server called "One" sends traps to the OMW management server.
If this server "One" has its Operations Agent installed and traps arrive there, you can build a "SNMP Trap Interceptor" policy on your OMW console by setting up the necessary rules to match the incoming trap and then you can deploy this policy to your server "One". If the policy is correct, it should send a message to your OMW server.
If otherwise this server "One" sends trap directly to the OMW server, you will have to do the same but this time the "SNMP Trap Interceptor" policy has to be deployed on your OMW server.
Check also the following online help sections:
Configure SNMP conditions
Monitor SNMP devices
SNMP Interceptor Policies
Configure actions in SNMP interceptor policies
Configure SNMP interceptor policy options
Configure message defaults in SNMP interceptor policies
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