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Microsoft Exchange update - Setup cant use the domain controller

Lukas Urban 6 Reputation points
2021-07-13T11:20:59.17+00:00

Hi,

We are trying to upgrade exchange (from CU8 to CU9, and now to newer), but it says: Setup cant use the domain controller 'default-first-site-name' because it belongs to active directory site ' ', setup must use domain controller in the same site as this computer (FQDN to our Domain Controller).

The only thing is that the domain controller is in DMZ, we were thinking that something on firewall is blocking some Exchange ports but that isnt the case.

We run the update this way:
\setup.exe /IAcceptExchangeServerLicenseTerms /Mode:upgrade /DomainController:(FQND of our DC)

parameters Staticdomaincontrollers and Staticglobalcatalogs is not set (it shows {} )

Can you help us?

Exchange server and DC are in the same site, i checked that with get-exchangeserver and get-domaincontroller from exchange management shell. Thank you

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. Xzsssss 8,861 Reputation points Microsoft Vendor
    2021-07-14T02:55:22.033+00:00

    Hi @Lukas Urban ,

    Have you prepared the AD and AD domains using the following cmdlet: 

    E:\Setup.exe /IAcceptExchangeServerLicenseTerms /PrepareAD  
E:\Setup.exe /IAcceptExchangeServerLicenseTerms /PrepareAllDomains

    Because there is a version update for AD and domain structure, so if you want to use PowerShell to upgrade, you'll have to run these above cmdlets ( also needs run /PrepareSchema if the RangeUpper changes like CU9 to CU10)
    114259-image.png

    If these don't help, please also check this article: https://www.orbid365.be/install-exchange-2016-with-active-directory-sites/
    Please Note: Since the web site is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.

    Best regards,
    Lou

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