Applications Systems

SAM errors that may occur if nodes do not respond to WMI queries

These are some common SAM errors that will require you to restart the WMI service.

First published date

11/29/2018 10:37 PM

Last published date

7/27/2022 11:59 AM

Overview

This article provides brief information and steps to resolve the following errors:

Network connection failed. HResult: No data to return. Error: Unable to connect to the specified computer, or the computer is offline.
Connection timeout. Job canceled by scheduler.
Timeout while executing job
HResult: No data to return. Error: Unable to connect to the specified computer, or the computer is offline.

The above errors are simply stating that the Node is failing to respond within the allocated time to our WMI Query / Queries

Product section

Server Application Monitor

Resolution

First; let's start by trying to increase the Polling Timeout for the application monitor

Edit the application monitor
Expand advanced
Increase Polling Timeout to something like 300s or 450s
I would also suggest increasing the Polling Frequency to every 15 minutes rather than every 5 minutes.

For more troubleshooting steps please see the following Knowledge Base Article which outlines a couple of steps you can try on the Remote Device: Connection Timeout: Job cancelled by scheduler

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