The following steps should be followed after you have made the necessary changes to the new primary domain and user accounts within Microsoft 365.  



***Please make sure all users are logged out of the vCIOToolbox tenant before you do the following steps.***



1. Change all user account emails within vCIOToolbox.  The email address should be the same as the user's SSO login.  This can be done from any module under Admin > Users > [User Name}.


a. Navigate to users



b. Choose a User Account 



c. Change the email address 



2.  The next step will require changing the Microsoft SSO settings.  Navigate to Integrations > Settings > Microsoft SSO



3. Change the domain to your new domain name.



4. Your users can now sign in using SSO with their new address.


If you experience any issues, please contact support@vciotoollbox.com