ESXi host error: Unable to apply DRS resource settings on host

After upgrading vCenter Server to 5.0 Update 1, there was an ESXi 4.1 host that displayed the error

Unable to apply DRS resource settings on host (Reason: A general system error occurred: Invalid Fault). This can significantly reduce the effectiveness of DRS.

I quickly stumbled upon KB1004667. The solution seemed quite an undertaking. At the end of the article, however, is a small note that reads

Note: It was reported on one occasion that when logging directly into the ESX host encountering the issue with a vSphere Client a hung VMware Tools install was found. The tools install was resolved by right clicking on the VM to complete the install. Once the tools install was completed both HA and DRS reconfigured successfully on the cluster.

Well, I guess they can make that ‘on two occasions’ 😀 After I connected to the ESXi host, I saw there was one VM that initiated a VMware Tools install about 3 weeks ago. It never finished. Resolving this issue made the error disappear.

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About Yuri de Jager
Technology Addict

3 Responses to ESXi host error: Unable to apply DRS resource settings on host

  1. mellerbeck says:

    I’ve seen that as well!

  2. Jerod Rentfrow says:

    4 occasions now.

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