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legan's avatar
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Feb 01, 2021

Large GIT push fails after upgrading Azure DevOps to 2020

We have recently upgraded our Azure DevOps environment from 2019 to 2020.

Since then, large git pushes fail with errors:


  • fatal: The remote end hung up unexpectedly
  • error: unable to rewind rpc post data - try increasing http.postBuffer


A couple of things we have tested:

  • when uploading to a Azure DevOps server directly, the git push works
  • when only enabling one Azure DevOps node in the pool, the git push still fails


Anyone seen this before?


According to this MS document (, we shouldn't modify the http.postBuffer, but instead look at the configuration of the loadbalancer.


Since it worked with Azure DevOps 2019, I'm wondering what could go wrong here.

Any help would be appreciated.

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