If you’re having issues removing an existing domain from Exchange due to the error in the title, try the following: On your Domain Controller, open ADSI Edit Select “Action” in the top bar Select “Connect To…” In the new window, in the dropdown box named “Select a well known Naming Context” and select “Configuration” Click…
Can’t remove the domain ‘domain.com’ because it’s referenced in an email address policy by the proxy address template ‘smtp:@domain.net’.
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