Hello,

As it appears your trying to setup exchange. Have you tried to following the guide at  https://solidcp.com/kb/configuration/exchange-2013-2016-configuration/ ? I suspect the issue may be with the AD users member of.

Regards,

Trevor

Hello,

I've followed the instructions, but I still get the same error. The user is part of all necessary SGs.

Hello,

Can you confirm you did a iisreset or rebooted the server since setting the SGs?

Regards,

Trevor

Hello,

I can confirm that I rebooted the server.

Hello,

Can you try run these in powershell and let me know if the output matches or not:

$env:userdomain

$env:COMPUTERNAME

Regards,

Trevor