frankdenneman Frank Denneman is the Chief Technologist for AI at VMware by Broadcom. He is an author of the vSphere host and clustering deep dive series, as well as a podcast host for the Unexplored Territory podcast. You can follow him on Twitter @frankdenneman

Storage DRS Cluster shows error "Index was out of range. Must be non-negative and less than the size of the collection.

29 sec read

Recently I have noticed an increase of tweets mentioning the error “Index was out of range”
Error message:
When trying to edit the settings of a storage DRS cluster, or when clicking on SDRS scheduling settings an error pops up:

“An internal error occurred in the vSphere Client. Details: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index”

Impact:
This error does not have any impact on Storage DRS operations and/or Storage DRS functionality and is considered a “cosmetic” issue. See KB article: KB 2009765.
Solution:
VMware vCenter Server 5.0 Update 2 fixes this problem. Apply Update 2 if you experience this error.
As the fix is included in the Update 2 for vCenter 5.0, I expect that vCenter 5.1 Update 1 will include the fix as well, however I cannot confirm any deliverables.

frankdenneman Frank Denneman is the Chief Technologist for AI at VMware by Broadcom. He is an author of the vSphere host and clustering deep dive series, as well as a podcast host for the Unexplored Territory podcast. You can follow him on Twitter @frankdenneman

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