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Unexpected VMware Update Manager (VUM) baseline creation failure. Please check vSAN and VUM logs for details.

Duncan Epping · Dec 18, 2018 ·

I had a customer asking about an error they received after upgrading to 6.7 U1. The message they saw was the following: “Unexpected VMware Update Manager (VUM) baseline creation failure. Please check vSAN and VUM logs for details.” I had seen some folks on VMTN also complaining about this a couple weeks ago, and I knew a KB article was in the makings. Just to ensure people know where to get it, and to make it easier for myself to find it I want to share KB 60380 with you. I am not going to copy/paste the resolution, as I prefer to have the KB being leading on this, just in case it gets updated. I don’t want to provide potentially outdated info. So just go to KB 60380 if you are hitting the “Unexpected VMware Update Manager (VUM) baseline creation failure. Please check vSAN and VUM logs for details.” error.

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Server, Software Defined, Storage, vSAN

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Comments

  1. Jesper says

    18 December, 2018 at 14:11

    We have this issue and been working with GSS to resolve it and also tried the steps listed in KB60380 – but the error is still present…

    This error is actually preventing us from upgrading from 6.5 -> 6.7U1.

  2. Marco Casoli says

    18 December, 2018 at 15:42

    We have the issue in our 6.5 U2 enviroment as well. It looks like a more global thing.

  3. Sketch says

    19 December, 2018 at 14:11

    I saw this on Monday. It did fix the issue. but I was somewhat confused by the wording. It was put together rather quickly, i’m guessing.

  4. Donny says

    3 May, 2019 at 16:39

    For our environment, it was simply a restart of the VSAN Performance service.

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About the author

Duncan Epping is a Chief Technologist in the Office of CTO of the Cloud Platform BU at VMware. He is a VCDX (# 007) and the author of the "vSAN Deep Dive" and the “vSphere Clustering Technical Deep Dive” series.

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