ConfigMgr SCCM Hash Mismatch Issues Troubleshooting Guide

 

configmgr sccm  ConfigMgr SCCM Hash Mismatch Issues Troubleshooting GuideHash Mismatch issues can be big headache for the technical teams. Through this post I am trying to document Hash Mismatch issue in my terms.

Most of the Hash Mismatch issues are identified through CAS.log “Hash does not match expected”.

There could be several reasons for Hash Mismatch issue such as explained below.

1. For Windows 2008 site servers, check whether the below setting are enabled in IIS.  For a distribution point that is enabled for Allow 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.  More Info

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

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

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

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 local DP and in the parent server ? (there could be some diff in size…may be in KBs or Bytes). Also, compare the PCK file size on both the servers?

Documented process

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

2. Check the CAS.log to confirm whether issue has resolved or not.

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 director 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 issue still persists go to step 6.

6. Remove the package and wait for 1 0r 2 hours (ensure that the package is removed from the DP). Also, I would suggest you to remove PCK file related to that package.

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

These steps should resolve most of the Hash Mismatch issues.

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

Posted in: ConfigMgr (SCCM)

7 Comments

  1. Hi Anoop ,
    Very nice informative document on Hash mismatch, we recently had a big issue regarding hash mismatch in our enviornment, took really long to resolve.This article would be very helpfull for dealing issues like this in future .
    Thanks a ton… :)

  2. Daniel Olsson says:

    If VMware is used then check this post aswell.. changing the NIC in VMware to VMXNET3 may solve the issue -> http://www.toolzz.com/?p=1085

  3. Yogesh says:

    Hi,
    In our environment Hash Mismatch cause has never been identified as it’s intermittent : for ex : there are 2 packages replicated at same time containing same source (for certain reason) will also give a hash mismatch error during RAP execution for one app and not for other.

    What we have observed there is some issue between the PCK file and final copy that gets downloaded on the client.

    Our workaround that has always worked for us is :

    - Remove the package from DP.
    - Wait for the update to happen.
    - Update the source version of the package so that PCK file is updated.
    - Replicate the package to the required DP.

    It works now as it should.

  4. subhayu chatterjee says:

    Hi All,
    I am trying figure out one script that will tell which all package missmatch from the source to destination . Can any one help me regarding this . Any input much appreciated

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