Desktop.Desktop_Update can't update Datastore settings

[Po-temkin]

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Describe the bug

I tried to update Datastore setting using Desktop_Update. What's wrong with my version?

Exception on call "Desktop_Update" with "2" arguments: "Failed to load type "VMware.Hv.String" from assembly "VMware.Hvi, Version=8.4.0.709, Culture=neutral, PublicKeyToken=null"."
string:1 symbol:2
+  $ViewAPI.Desktop.Desktop_Update($DesktopId,$MapEntryDesktopVirtualCenterStorageSettings)
    + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
    + FullyQualifiedErrorId : TypeLoadException

Reproduction steps

PS C:\Windows\system32> $DesktopVirtualCenterDatastoreSettings = @()
>> ForEach ($DatastoreName in $DatastoreNames)
>> {
>>     $DatastoreId1 = ($ViewAPI.Datastore.Datastore_ListDatastoresByHostOrCluster($HostOrClusterId) | Where-Object {$_.DatastoreData.Name -eq $DatastoreName}).Id
>>     $DesktopVirtualCenterDatastoreSettingsTemp = New-Object VMware.Hv.DesktopVirtualCenterDatastoreSettings -Property @{datastore=$DatastoreId1;sdrsCluster=$SdrsCluster;storageOvercommit=$StorageOvercommit}
>>     $DesktopVirtualCenterDatastoreSettings += $DesktopVirtualCenterDatastoreSettingsTemp
>> }
>>
>> $MapEntryDesktopVirtualCenterStorageSettings1 = New-Object VMware.Hv.MapEntry -Property @{
>>     Key='automatedDesktopData.virtualCenterProvisioningSettings.virtualCenterStorageSettings.datastores';Value=$DesktopVirtualCenterDatastoreSettings
>> }
>> $MapEntryDesktopVirtualCenterStorageSettings = @($MapEntryDesktopVirtualCenterStorageSettings1)
PS C:\Windows\system32> $MapEntryDesktopVirtualCenterStorageSettings

Key                                                                                            Value
---                                                                                            -----
automatedDesktopData.virtualCenterProvisioningSettings.virtualCenterStorageSettings.datastores {VMware.Hv.DesktopVirtualCenterDatastoreSettings}


PS C:\Windows\system32> $MapEntryDesktopVirtualCenterStorageSettings.Value

Datastore             SdrsCluster StorageOvercommit
---------             ----------- -----------------
VMware.Hv.DatastoreId       False UNBOUNDED


PS C:\Windows\system32> $MapEntryDesktopVirtualCenterStorageSettings | gm


   TypeName: VMware.Hv.MapEntry

Name        MemberType Definition
----        ---------- ----------
Equals      Method     bool Equals(System.Object obj)
GetHashCode Method     int GetHashCode()
GetType     Method     type GetType()
ToString    Method     string ToString()
Key         Property   string Key {get;set;}
Value       Property   System.Object Value {get;set;}


PS C:\Windows\system32> $DesktopId

Id
--
Desktop/ZTE3ZTVjMjctZDg4Yy00NmNiLWIyN2UtNWRhYjFlYTI5NGE0/aDgyLXRzdA


PS C:\Windows\system32> $ViewAPI.Desktop.Desktop_Update($DesktopId,$MapEntryDesktopVirtualCenterStorageSettings)
Exception on call "Desktop_Update" with "2" arguments: "Failed to load type "VMware.Hv.String" from assembly "VMware.Hvi, Version=8.4.0.709, Culture=neutral, PublicKeyToken=null"."
string:1 symbol:2
+  $ViewAPI.Desktop.Desktop_Update($DesktopId,$MapEntryDesktopVirtualCenterStorageSettings)
    + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
    + FullyQualifiedErrorId : TypeLoadException

Expected behavior

Metod succesfully update Datastore settings

Additional context

Horizon Connection Server 8.6.0 build - 20099816 PowerCLI 12.7