WAC 2211 Error: Cannot read properties of undefined (reading 'toLocaleLowerCase')

Copper Contributor



Since WAC 1.4.2212.08003, when i try to extend an Volume on a S2D 2019 cluster i recieve an error:


Enable CredSSP



Error: Cannot read properties of undefined (reading 'toLocaleLowerCase')


Anyone with this same behavoir? 



5 Replies

@MHinloopen I have the same problem too.
Is there a fix to this error?

@MHinloopen I'm seeing the same as well. I've used this previously, so I'm not sure when this started (possibly with the June Windows updates?). Enabling/disabling CredSSP has no impact. The issue seems to be present in all of the following versions:

  • WAC 2211
  • WAC 2306
  • Cluster Manager extension 2.251.0
  • Cluster Manager extension 2.263.0


Hi @MHinloopen


Thank you for bringing this issue to our attention.


I'm investigating this and will reach back out with an update!


Kind regards!

This issue has now been fixed. You need to make sure your Cluster Manager extension is now 2.294.0. Once you are on that extension version you should now be able to expand volumes of Server 2019, without receiving that error message.