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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Unable to browse the MIB tree in Device Studio

Unable to browse the MIB tree in Device Studio

Updated March 13, 2017

Overview

You see the Object reference not set to instance of an object error when trying to browse an OID in Device Studio.

Environment

NPM 12

Resolution

Restart the Orion services.

 

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