Measure-FleetCoreWorkLoad fails with below error. This means Start-FleetResultRun function is getting called with invalid combination of parameters.
Our environment
6 Node Windows 2025 Datacenter Edition Cluster
4 x 100Gbps NICs configured using NetworkATC - Converged Network Intent (Storage + Management + Compute) with No overrides and Vlans.
Using S2D with (8 x 3.49TB) + (1 x 1.75 TB) SSDs per Node.
CSV Type : Using Mirror Accelerated Parity (1.78TB for Performance and 10.72TB for Capacity Tiers)
No Cache drive set while Enabling S2D
Default Fleet VMs count: (96 core per server, hence 576 VMs)
Fleet VM OS: Windows Server 2019 Core
The command ran for around 10 hrs and failed.
2026-03-12T17:11:49: Gathered results to C:\ClusterStorage\collect\result\1e93a39f-f695-4136-8e5f-27738fdda704
2026-03-12T17:11:49: RESULT: 698.216 IOPS @ 38,3% CPU => 1.212 IOPS/VM from 576 VMs v. target 1.216 IOPS/VM
2026-03-12T17:11:49: Sweep, complete
VERBOSE: 2026-03-12T17:11:49: removing QoS Policy
VERBOSE: Operation '' complete.
WARNING: .: 2026/03/12-17:12:39.347 Node Node55: No disks found to be used for cache
WARNING: .: 2026/03/12-17:12:39.357 Node Node56: No disks found to be used for cache
WARNING: .: 2026/03/12-17:12:39.367 Node Node57: No disks found to be used for cache
WARNING: .: 2026/03/12-17:12:39.377 Node Node58: No disks found to be used for cache
WARNING: .: 2026/03/12-17:12:39.389 Node Node59: No disks found to be used for cache
WARNING: .: 2026/03/12-17:12:39.398 Node Node60: No disks found to be used for cache
2026-03-12T17:12:40: READ CACHE WARMUP: no cache devices in cache-ready configuration, no warmup to perform
Transcript stopped, output file is C:\ClusterStorage\collect\result\coreworkload.log
Start-FleetResultRun : Parameter set cannot be resolved using the specified named parameters.
At C:\Program Files\WindowsPowerShell\Modules\VMFleet\2.1.0.0\VMFleet.psm1:7332 char:13
+ Start-FleetResultRun @runParam -ProfileXml $ProfileXml
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidArgument: (:) [Start-FleetResultRun], ParameterBindingException
+ FullyQualifiedErrorId : AmbiguousParameterSet,Start-FleetResultRun
2026-03-12T17:12:41: Compressing final result archive: C:\ClusterStorage\collect\result-coreworkload-20260312-1712.zip
Measure-FleetCoreWorkLoadfails with below error. This meansStart-FleetResultRunfunction is getting called with invalid combination of parameters.Our environment
The command ran for around 10 hrs and failed.