SCVMM (VMM) & S2D should support cross-cluster migration of highly available VMs
Migrations of highly-available VMs from one cluster to another while using S2D and SOFS as a storage solution (NOT hyper-converged) should be supported by VMM.
VMM has built-in functionality to allow migration of a VM from one cluster to another.
This does NOT work with HA VMs when your storage solution is SOFS on S2D. The VM will be placed in pause-critical, effectively a failed migration.
I believe this is a shortcoming on the part of Failover Clustering not properly handling storage communication, but not sure as this action isn't able to be automated outside VMM.

1 comment
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Chris commented
Note that this issue persists in 2019 with VMM 1807.