To resolve issues associated with adding an additional Exchange account to Outlook, please take the following steps:

1. Check Outlook settings to ensure Auto Account Setup has been correctly enabled.
2. Check Outlook settings to verify the correct server name for the Exchange account.
3. Confirm that the email account credentials entered are correct.
4. Verify that allowable ports are enabled for the particular email server.
5. Test your email account on a web browser or mobile device.