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500 Unexpected Error

Virish Kundoo 1 Reputation point
2021-03-24T14:35:47.473+00:00

![81223-ecp-500-unexpected-error.png][1] [1]: /api/attachments/81223-ecp-500-unexpected-error.png?platform=QnA

Exchange | Exchange Server | Management
Exchange | Exchange Server | Management

The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

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  1. Anonymous
    2021-03-25T07:58:00.887+00:00

    Hi @Virish Kundoo ,

    What's the version of your Exchange?
    Any changes of Exchange have you did recently? And what about OWA, is it good or has a same error?
    You may got this error after installing the Security Update and it's a known issue: OWA or ECP stops working after you install a security update

    Or if it's not the case, consider removing ECP virtual directory and recreating it with: 

    Remove-ECPVirtualDirectory -Identity "Servername/ecp (Default Web Site)"  
New-ECPVirtualDirectory -InternalURL Https://servername.domain.com/ecp

    Also check the certificate bindings both frontend and backend in IIS.

    I removed the Windows-server-2012 tag cause it's irrelevant.

    Regards,
    Lou

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