After clicking on the the Invitation email, cutomer will go to this page
- Using the personalize link this page will popup

2. Click Create New App Registration.
Enter your Microsoft 365 admin username (User Principal Name - UPN)Make sure this account has Application Administrator permissions.
3. Choose one of the following options to continue authentication:
-
- Option A: Copy the code shown on screen, then click the URL below it to open the sign-in page.
- Option B: Click Copy Code and Open Page in New Tab to automatically copy the code and open the sign-in page in a new browser tab.

4. Click Next or enter code if you clicked the ....device/login link above.

5. Sign in using your Microsoft 365 tenant admin credentials.
6. Click Continue to proceed.

7. Close the dialog box.
A confirmation message will appear indicating that the connection was successfully established

8. Enter a name for the Application Registration.
Make sure the name follows these rules:
-
- Must be 3–15 characters long.
- Cannot include the following characters:
\ / : * ? " < > | audit
- Can contain letters (A–Z, a–z), numbers, and special characters (except
.
and spaces).
- Must be unique per service.

9. Confirm the on boarding to the UC Delivery team
10.Navigate to Microsoft 365 Settings
Go to Configuration > M365 Configuration.
- You’ll see:
- Client Secret Days Until Expire (if this is the first time it's set).
- User Name field filled with the M365 admin who authenticated the registration.
- Click Validate Authentication to confirm the tenant service credentials with the App Registration.
