FIX SCCM Hash Mismatch Issues Troubleshooting Guide

Hash Mismatch issues can be a big headache for the technical teams. Through this post, I am trying to document the SCCM Hash Mismatch issue in my terms.

Most Hash Mismatch issues are identified through CAS.log, such as “Hash does not match expected.”

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Index
FIX SCCM Hash Mismatch Issues Troubleshooting Guide
Documented Process FIX SCCM Hash Mismatch Issues Troubleshooting Guide

FIX SCCM Hash Mismatch Issues Troubleshooting Guide

However, you can try to download the script to fix SCCM content mismatch issues here. WMI & ContentLib mismatch – Get-InvalidPKG.

There could be several reasons for the Hash Mismatch issue, as explained below in the FIX SCCM Hash Mismatch Issues Troubleshooting Guide.

1. For Windows 2008 site servers, check whether the below settings are enabled in IIS.  For a distribution point that allows clients to transfer content from this distribution point using BITS, HTTP, and HTTPS, for WebDAV Behavior, set Allow hidden files to be listed to True.

2. ConfigMgr 2007 clients may fail to download packages from a Server Share DP with a content hash mismatch error. A known issue with IIS 6.0 WEBDAV occurs when the Virtual Directory points to the root of the drive as the path, such as Z:\.  This causes our failure above.

3.  Attempts to update or distribute a package to a Branch DP fail with HostingIncomplete and PDPHashMismatchEvent errors. Every indication is that this is a hash mismatch; however, testing shows that the hash matches and the directory contents are the same on the Source, DP, and BDP. The only indication of the hash mismatch is in the peerdpagent.log.

4. SMSTS error “Hash could not be matched for the downloaded content.” When deploying a software package in SCCM 2007 via a Task Sequence containing files containing names containing extended ASCII characters, the Task Sequence may fail with an error code 80004005.  An example would be the Spanish word año, where there’s a tilde over the ‘n.’

In my case, the issue was different. If I have a Hash Mismatch issue in the environment, I always prefer to compare the size of packages in the local DP and the parent server. (There could be some difference in size, maybe in KBs or Bytes.) Also, compare the PCK file size on both servers. FIX SCCM Hash Mismatch Issues Troubleshooting Guide.

Documented Process FIX SCCM Hash Mismatch Issues Troubleshooting Guide

1. Update the package and wait for 1 or 2 hours, depending upon the connectivity.

2. Check the CAS.log to confirm whether the issue has been resolved.

3. If “Not Resolved,” then go to step 4.

4. Sometimes, Hash Mismatch may happen because of some hidden files. To resolve that, open up a command window in the root directory that contains your package.

Type Dir /S /A: H and hit enter.
Type attrib -H /S.

5 . Update the package and wait for 1 or 2 hours, depending upon the connectivity. If the issue persists, go to step 6.

6. Remove the package and wait for 1 or 2 hours (ensuring that the package is removed from the DP). I would also suggest you remove the PCK file related to that package.

7. Re-distribute the package and check whether the issue is resolved.

These steps should resolve most of the Hash Mismatch issues.

P.S – Download the HashDir tool and More Details on Hash Mismatch – See Link

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Author

Anoop C Nair has been Microsoft MVP from 2015 onwards for 10 consecutive years! He is a Workplace Solution Architect with more than 22+ years of experience in Workplace technologies. He is also a Blogger, Speaker, and leader of the Local User Group Community. His main focus is on Device Management technologies like SCCM and Intune. He writes about technologies like Intune, SCCM, Windows, Cloud PC, Windows, Entra, Microsoft Security, Career, etc..