Knowledge Base Articles

Get expert insights, how-to guides, product updates, and best practices for streamlining patch management, improving endpoint security, and optimizing IT operations.

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Knowledge Base
Third-Party Update Downloads Fail: Invalid certificate signature Error 0x800b0004 and 0x87D20417

Resolve third-party update download failures caused by invalid certificate signatures 0x800b0004 and 0x87D20417 in SCCM.

Patch My PC Team
Knowledge Base
Digest Verification Failed on Content for Software Update

Digest verification failures? Learn how to resolve them and maintain update integrity across endpoints.

Digest Mismatch
Patch My PC Team
Knowledge Base
Automatic Deployment Rule Error 0X87D20417 or 0x80070194

SCCM/ConfigMgr Automatic deployment rules (ADRs) fail with error 0x80070194 or 0X87D20417 when the content file cannot be downloaded. Resolution steps can be found in this article.

Patch My PC Team
Knowledge Base
Third-Party Updates Fail to Install with Error 0x800b0109 / 0x8024b303 in SCCM

Solve failed installs of third-party updates with error codes understand common causes and resolutions.

0x800b0004 0x800b0109 0x8024b303
Patch My PC Team
Knowledge Base
Digest Mismatch Due To Download URL Being Filtered by Firewall or Web Filter

Troubleshoot digest mismatches caused by URL filtering and keep update downloads secure and successful.

Digest Mismatch
Cory Mathis
Knowledge Base
Moving to Supersedence Software Update Model

Switch to the supersedence model to improve update management. Here’show it works and how to migrate.

Supersedence
Patch My PC Team
Knowledge Base
Local Content Repository for Licensed Applications that Require Manual Download

Host licensed content locally to stay compliant while still automating patch deployments. Here’s how to set it up.

Local Content Paywall
Adam Cook
Knowledge Base
CreateDirectory failed Error when Publishing Third-Party Updates

Learn what causes CreateDirectory errors in SCCM publishing and how to fix permissions and paths.

Patch My PC Team
Knowledge Base
SCCM Update Download Error: The Thread is not in Background Processing Mode (0x80070191)

Fix SCCM’s thread is not in background processing mode error when downloading updates with this quick guide.

0x80070191 Background Processing
Patch My PC Team
Knowledge Base
Deep Dive Into Security Validation of Updates and Applications

Explore how update content is validated for security and what that means for third-party patching integrity.

Patch My PC Team