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ararag opened this issue Apr 8, 2025 · 1 comment · May be fixed by #6012
Open

EXOMailboxAutoReplyConfiguration: Export fails on certain users #5998

ararag opened this issue Apr 8, 2025 · 1 comment · May be fixed by #6012
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Bug Something isn't working Exchange Online

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@ararag
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ararag commented Apr 8, 2025

Description of the issue

Export-M365DSCConfiguration -Components @("EXOMailboxAutoReplyConfiguration") -ApplicationId $ApplicationId -CertificateThumbprint $CertificateThumbprint -TenantId $TenantId -Path $Path -Filename $Filename

This fails on some users. Getting the error:
Error Log created at {file://C:/Microsoft365DSC/12516-M365DSC-ErrorLog.log}

Microsoft 365 DSC Version

1.25.402.1

Which workloads are affected

Exchange Online

The DSC configuration


    
      
      
    
  


Verbose logs showing the problem


[2025.04.08 08.51.38]
{InvalidData}
System.Management.Automation.ParameterBindingArgumentTransformationException: Cannot process argument transformation on parameter 'String'. Cannot convert value to type System.String. ---> System.Management.Automation.ArgumentTransformationMetadataException: Cannot convert value to type System.String. ---> System.Management.Automation.PSInvalidCastException: Cannot convert value to type System.String.
   at System.Management.Automation.ArgumentTypeConverterAttribute.Transform(EngineIntrinsics engineIntrinsics, Object inputData, Boolean bindingParameters, Boolean bindingScriptCmdlet)
   --- End of inner exception stack trace ---
   at System.Management.Automation.ArgumentTypeConverterAttribute.Transform(EngineIntrinsics engineIntrinsics, Object inputData, Boolean bindingParameters, Boolean bindingScriptCmdlet)
   at System.Management.Automation.ParameterBinderBase.BindParameter(CommandParameterInternal parameter, CompiledCommandParameter parameterMetadata, ParameterBindingFlags flags)
   --- End of inner exception stack trace ---
   at System.Management.Automation.ExceptionHandlingOps.CheckActionPreference(FunctionContext funcContext, Exception exception)
   at Get-M365DSCExportContentForResource(Closure , FunctionContext )
   at System.Management.Automation.PSScriptCmdlet.RunClause(Action`1 clause, Object dollarUnderbar, Object inputToProcess)
   at System.Management.Automation.PSScriptCmdlet.DoEndProcessing()
   at System.Management.Automation.CommandProcessorBase.Complete()
"Error during Export:"
at Get-M365DSCExportContentForResource, C:\Program Files\WindowsPowerShell\Modules\Microsoft365DSC\1.25.402.1\Modules\M365DSCUtil.psm1: line 3844
at Export-TargetResource, C:\Program Files\WindowsPowerShell\Modules\Microsoft365DSC\1.25.402.1\DSCResources\MSFT_EXOMailboxAutoReplyConfiguration\MSFT_EXOMailboxAutoReplyConfiguration.psm1: line 553
at Start-M365DSCConfigurationExtract, C:\Program Files\WindowsPowerShell\Modules\Microsoft365DSC\1.25.402.1\Modules\M365DSCReverse.psm1: line 682
at Export-M365DSCConfiguration, C:\Program Files\WindowsPowerShell\Modules\Microsoft365DSC\1.25.402.1\Modules\M365DSCUtil.psm1: line 1495
at <ScriptBlock>, C:\Microsoft365DSC\M365DSC_test.ps1: line 8
at <ScriptBlock>, <No file>: line 1
TenantId: <redacted>.onmicrosoft.com

    
      
      
    
  


Environment Information + PowerShell Version


OsName               : Microsoft Windows Server 2025 Standard
OsOperatingSystemSKU : StandardServerEdition
OsArchitecture       : 64-bit
WindowsVersion       : 2009
WindowsBuildLabEx    : 26100.1.amd64fre.ge_release.240331-1435
OsLanguage           : en-US
OsMuiLanguages       : {en-US}

Name                           Value
----                           -----
PSVersion                      5.1.26100.2161
PSEdition                      Desktop
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.26100.2161
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1

    
      
      
    
  

      		
    

      
  





        



            
            

              
            

        

      


      
    








      

    



      

  
            

    

      
    

    


      

          @andikrueger
andikrueger




            added
      

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      Apr 9, 2025

    

  








      

  
      



  

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From the logs you've provided, it appears the Export-M365DSCConfiguration command fails during the extraction of the EXOMailboxAutoReplyConfiguration for some users due to a type conversion error:  ** Cannot process argument transformation on parameter 'String'. Cannot convert the value to type System.String.**

This typically happens when a mailbox property (e.g., an auto-reply message or internal/external recipient setting) is null, not a string, or contains unexpected formatting that Microsoft365DSC fails to handle.

      		
    

  





        


            

            
            

              
            

        

      


      

            
  

    
  
    
    

  

  


    












      

  
          

  

    
  


  

      

    @Harshit057
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      Apr 12, 2025
    

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      3 participants
    

    

        
          @andikrueger 
        
          @ararag 
        
          @Harshit057