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Gly's avatar
Gly
Brass Contributor
Sep 07, 2020

Warning - validation error

Hello, For a while now I have been getting a warning every time I open a distribution group or mail-enabled security group in the on-prem admin center.  "The object removed has been corrupted...
Exchange Server
hybrid
Gly's avatar
Gly
Brass Contributor
Sep 07, 2020

ChristianBergstrom 
Thank you for the suggestion.
I ran "Get-Mailbox -monitoring" but found no errors there. 

ChristianBergstrom's avatar
ChristianBergstrom
Silver Contributor
Sep 07, 2020

Gly Hey, try this then 🙂

 

https://social.technet.microsoft.com/Forums/en-US/213afa53-0b61-4dd6-a807-a0262aa16474/the-access-control-entry-defines-the-objecttype-9b026da60d3c465c8bee5199d7165cba-that?forum=Exch2016Adm

 

What I want to highlight is this.

 

1. Run the IISReset on all Exchange server.
2. If reset IIS does work, reboot all Exchange server and check the result.

  • Gly's avatar
    Gly
    Brass Contributor
    Sep 07, 2020

    ChristianBergstrom 
    I have tried this earlier, both iis reset and reboot. I have also tried recycling the "MSExchangeECPAppPool" as suggested in the post. 

    • ChristianBergstrom's avatar
      ChristianBergstrom
      Silver Contributor
      Sep 07, 2020

      Gly Btw, just saw this. Give it a try? https://www.azure365pro.com/exchange-control-panel-error-access-control-entry-not-resolved/

      • Gly's avatar
        Gly
        Brass Contributor
        Sep 07, 2020

        ChristianBergstrom 
        I checked the Ad permissions for the domain now, and it's not yielding any errors either. 

    • ChristianBergstrom's avatar
      ChristianBergstrom
      Silver Contributor
      Sep 07, 2020

      Gly I'm sure one of the Exchange experts will reply with a solution. At least we have narrowed it down then.

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