How do I add a user to be an administrator in my Azure platform?

@Alvin De Cruz

Thank you for your post and I apologize for the delayed response!

Once the user accepted your B2B invitation, they should be able to sign into the Azure portal using the email address and password that was used when they accepted the invitation. If your user is still having trouble signing in, you can try the following:

1. Make sure the user is using the correct email address. Alternatively, the user can use their User Principal Name (UPN) if their email is causing issues.
2. Make sure the user is using the correct password.
3. If the user is still having trouble signing in, you can try resetting their password. To do this, select the user in the Azure portal, and then select Reset password. This should send a password reset link to the user's email address.

Note: The user can use their *User Principal Name (UPN)* if their email is causing issues during sign-in. This will also ensure they're login into the correct MS Entra ID tenant.

If the user is still having trouble signing in, can you share any error messages that they're receiving?

Additional Links:

• B2B collaboration overview
• Microsoft Entra B2B collaboration invitation redemption
• Assign Microsoft Entra roles to users - MS Entra RBAC
• Assign Azure roles using the Azure portal - Azure RBAC

I hope this helps!

If you have any other questions, please let me know. Thank you for your time and patience throughout this issue.

If the information helped address your question, please Accept the answer. This will help us and also improve searchability for others in the community who might be researching similar information.

Hope the following links can help you

https://learn.microsoft.com/en-us/entra/external-id/add-users-administrator

as a summary

To add a user as an administrator in Azure after inviting them through Entra ID, you should follow these steps:

1. Log into the Microsoft Entra admin center as a User Administrator.
2. Identity > Users > All users > New user > Invite external user.
3. Fill in the user's identity details and set the User type as either Member or Guest.
4. Assign the new user to Microsoft Entra roles
5. click the Invite button to send an email invitation. This adds the user account to the directory as a guest.
6. If the user hasn't accepted the invitation, go to Identity > Users > All users, select the invited user, and check the invitation state under the B2B collaboration tile. You can resend the invitation if needed​