The server
DC01 is configured for Office 365 hybrid, but the federation trust is not working properly on server
DC01 for Office 365 hybrid configuration, with exceptions when running 'Test-FederationTrust'. Errors: System.Management.Automation.Runspaces.InvalidRunspacePoolStateException: Cannot perform the operation because the runspace pool is not in the 'Opened' state. The current state is 'Broken'.
at System.Management.Automation.Runspaces.Internal.RunspacePoolInternal.AssertPoolIsOpen()
at System.Management.Automation.PowerShell.CoreInvokeAsync[TInput,TOutput](PSDataCollection`1 input, PSDataCollection`1 output, PSInvocationSettings settings, AsyncCallback callback, Object state, PSDataCollection`1 asyncResultOutput)
at System.Management.Automation.PowerShell.CoreInvokeRemoteHelper[TInput,TOutput](PSDataCollection`1 input, PSDataCollection`1 output, PSInvocationSettings settings)
at System.Management.Automation.PowerShell.CoreInvoke[TInput,TOutput](PSDataCollection`1 input, PSDataCollection`1 output, PSInvocationSettings settings)
at System.Management.Automation.PowerShell.Invoke[T](IEnumerable input)
at Microsoft.Exchange.AnalysisProviders.PowerShellDataProvider.ExecuteCommand[T](PSCommand command, IEnumerable input)
at Microsoft.Exchange.BestPracticesAnalyzer.BestPracticesAnalyzer.<FederationChecks>b__361()
at Microsoft.Exchange.Management.Deployment.Analysis.AnalysisMemberBuilder.<>c__DisplayClassa`1.<Setting>b__9(Result x).
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