Hello, so we found an issue in the ESX driver which is pretty easy to solve, but requires an update to the communication with the server. The newer VI API allows for the instanceUuid parameter when searching for VMs, but only since 4.0, but because we do not send any "SOAPAction:" header it behaves as if we used the oldest one. If we add the header "SOAPAction: urn:vim25/4.0" (at least 4.0) it works, but I'm not sure if there are any incompatibilities and whether there is a use case for older clusters that do not support at least this version.
If there is a reasonable use case for it (well, anyone saying "here, me, I'd like to keep it") we could change the behaviour based on the version we parse when connecting to the server. But that's an extra bit of mess, although not totally big one. So I would like to know your opinion on this. Adding few people into Cc who found about the issue. Have a nice day, Martin
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