Troubleshooting on DaltonFarm0

Configuration Manager Cloud Attach Error: (401) Unauthorized

Fri, 20 Dec 2024 00:00:00 +0000

ConfigMgr Cloud Attach Error: (401) Unauthorized

CMGatewayNotificationWorker

[Warning][CMGatewayNotificationWorker][0][System.Net.WebException][0x80131509]
The remote server returned an error: (401) Unauthorized.
at Microsoft.ConfigurationManager.ServiceConnector.ExtensionMethods.d__13.MoveNext()

I struggled with this one while setting up Co-management testing in Microsoft Configuration Manager.
Cloud Attach completed successfully — everything looked good. I entered my Entra ID Global Admin credentials and all indicators turned green.

But nothing would sync.

Configuration Manager Software Updates Error 0x800F0831

Thu, 23 Mar 2023 00:00:00 +0000

Configuration Manager: Software Updates Error 0x800F0831

I came across this issue in Configuration Manager while attempting to patch a Server OS.

The error:

Failed to Install Updates — 0x800F0831 (Unknown Error -2146498511)

occurs when a pre-requisite update is missing from the system.

Configuration Manager Feature Update Loop

Sun, 26 Jun 2022 00:00:00 +0000

Fix SCCM Feature Update Loop: Troubleshooting Guide

To understand this problem, remember that SCCM is only attempting to launch the setup file for the feature update. The feature update is failing, and SCCM continues to try to run the setup. As part of the setup process the PC must reboot—hence the loop after the setup failure.