Set registry value
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If you are using Office 365 (for Office 2019 users), a registry value must be entered before you continue with the instructions on the manual page. This can be done in two ways:
- With the registry editor or
- with Powershell.
Registry Editor
Search for "regedit" in the program search. A new window will open.
Navigate to the path
"HKEY_CURRENT_USER\SOFTWARE\Microsoft
\Office\16.0\Outlook\AutoDiscover".
Create a new key by right-clicking -> "New". Select "DWORD value (32-bit)" here.
Enter "ExcludeExplicitO365Endpoint"as the name for the new key. Then double-click the entry to select it and enter "1" as the value.
Also, create another new key named“DisableAutodiscoverV2Service.” Double-click this entry as well and enter “1” as the value.
Confirm the entry with "OK".
You can now close the registration editor and continue with the integration of your mailbox.
Import a Registry Key as a File Using the Registry Editor
Alternatively, you can download the .reg file linked below and import it into the Registry Editor.
To do this, open the Registry Editor as described above, click “File” in the upper-left corner, and then click “Import.”
Next, in File Explorer, select the .reg file you downloaded here and then click “Open.”
Another window will open, informing you that the key has been added. Confirm this by clicking “OK.”
Close the Registry Editor and continue with setting up your email account.
Powershell
This entry can also be made with Powershell.
To do this, open the program search and enter "powershell". Then open the program.
Now enter the following command and confirm with the Enter key:
Set-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Outlook
\AutoDiscover" -Name "ExcludeExplicitO365Endpoint" -Value 1 -Type DWORD
The registry entry is now created automatically. You can now close the Powershell and continue with the integration of your mailbox.
Go-Link of this page: https://www.uni-kassel.de/go/outlook-registrywert