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Original product version: Azure Active Directory, Cloud Services (Web roles/Worker roles), Microsoft Intune, Azure Backup, Office 365 User and Domain Management, Office 365 Identity Management
Original KB number: 2929554

Symptoms

When you try to connect to Microsoft Azure Active Directory (Azure AD) by using the Azure Active Directory Module for Windows PowerShell, you receive the following error message:

Connect-MsolService : Unable to authenticate your credentials. Make sure that
your user name is in the format: <username>@<domain>. If this issue persists,
contact Support.
At line:1 char:1
+ Connect-MsolService
+ ~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : OperationStopped: (:) [Connect-MsolService], Mic
rosoftOnlineException
+ FullyQualifiedErrorId : 0x80048862,Microsoft.Online.Administration.Autom
ation.ConnectMsolService
Cause
This issue occurs if one of the following conditions is true:
You used an incorrect format when you entered your user name.
Your user account is enabled for Azure AD Multi-Factor Authentication.
Resolution
Do one of the following, as appropriate for your situation.
Scenario 1: You used an incorrect format when you entered your user name
Use the following format when you enter your user name:
<user_name >@<domain>
For example, john@contoso.com is in the correct format. Entering john or contoso\john doesn't work.
Scenario 2: Your user account is enabled for Azure AD Multi-Factor Authentication
If your user account is enabled for Azure AD Multi-Factor Authentication, Microsoft doesn't currently support using the Azure Active Directory Module for Windows PowerShell to connect to Azure AD.
To perform administrative tasks by using the Azure Active Directory Module for Windows PowerShell, use either of the following methods:
Disable Azure Active Directory Multi-Factor Authentication for the user account.
Use a different admin account that isn't enabled for Azure Active Directory Multi-Factor Authentication.
Contact us for help
If you have questions or need help, create a support request, or ask Azure community support. You can also submit product feedback to Azure community support.