Troubleshooting Software Updates
Overview
This document provides log-based troubleshooting guidance for software update deployments.
Table of Contents
Troubleshooting Workflow
Start with Deployment State
Unknown → Policy or scan issue
Required → Scan complete, not installed
Installing → Execution in progress
Failed → Installation issue
Common Issues
Updates Not Showing as Required
Check
PolicyAgent.log
ScanAgent.log
WUAHandler.log
Updates Not Downloading
Check
ContentTransferManager.log
DataTransferService.log
Updates Fail to Install
Check
UpdatesHandler.log
WUAHandler.log
Stuck Deployments
Check
UpdatesDeployment.log
ContentTransferManager.log
Compliance Not Updating
Check
UpdatesStore.log
Log Reference Quick Table
Area | Log |
|---|---|
Policy | PolicyAgent.log |
Scan | ScanAgent.log |
Content | ContentTransferManager.log |
Install | UpdatesHandler.log |
Enforcement | UpdatesDeployment.log |
Operational Notes
Always validate:
Policy
Scan
Content
Install
Most issues fall into one of these stages