"Sorry, but we're having trouble signing you in" and "80041034 " error messages when a federated user tries to sign in to Office 365, Azure, or Intune

When a user tries to sign in to a Microsoft cloud service such as Office 365, Azure, or Microsoft Intune from a sign-in webpage whose URL starts with "https://login.microsoftonline.com/login.srf," the user receives a sign-in error message and can't sign in.�

The following is an example of an error message that the user may receive:

On a client computer that has the Azure Active Directory Module for Windows PowerShell installed, follow these steps:

1. Click Start, point to All Programs, click Windows Azure Active Directory, right-click Windows Azure Active Directory Module for Windows PowerShell, and then click Run as administrator.
2. Run the following commands and press Enter after each command:

   1. connect-MSOLService  

   2. Set-MsolUserPrincipalName -UserPrincipalName [CurrentUPN] -NewUserPrincipalName [NewUPN]

      Note In this command, [CurrentUPN]�represents the user's current user principal name (UPN), and�[NewUPN] represents the user's UPN that has a domain suffix that changed to the initial onmicrosoft.com domain.
      
      For example, a Contoso administrator might run the following command:

      Set-MsolUserPrincipalName -UserPrincipalName user1@constoso.com -NewUserPrincipalName user1@contoso.onmicrosoft.com

3. Exit the Azure Active Directory Module for Windows PowerShell.
4. Open the Azure Active Directory Module for Windows PowerShell again, and then run the following commands and press Enter after each command:

   1. connect-MSOLService 

   2. Set-MsolUserPrincipalName -UserPrincipalName [CurrentUPN] -NewUserPrincipalName [NewUPN]

      Note In this command, [CurrentUPN] represents the UPN of the user after you run the command in step 2b, and [NewUPN] is the original UPN.

Still need help? Go to the Office 365 Community website or the Azure Active Directory Forums website.�