Error message after you run the MOSDAL Support Toolkit: "There is no Username/Password authentication endpoint registered with the Microsoft Office 365 authentication system"

After you run the Microsoft Online Services Diagnostics and Logging (MOSDAL) Support Toolkit, the Active Directory Federation Services (AD FS) diagnostics log contains the following error message:Note The AD FS diagnostics log is located here: In addition, you may notice one of the following symptoms when you sign in to Office 365 resources by using single sign-on (SSO)-enabled user ID credentials:

• Rich client applications authentication fails when you are trying to access services remotely from an Internet-connected client computer.
• Authentication for Exchange Online client applications fails when you connect to resources.

This issue may occur if one of the following conditions is true:

• The usernamemixed service endpoint may be disabled in the on-premises AD FS Federation service.
• The usernamemixed service endpoint is enabled in the on-premises AD FS Federation service. But the usernamemixed service endpoint was disabled the last time that the update-MSOLFederatedDomain cmdlet was run to update Office 365 with AD FS configuration data. To detect whether AD FS metadata isn't updated correctly, see the "Cause" section in the following Microsoft Knowledge Base article:
  2647020�"Sorry, but we're having trouble signing you in" and "80041317" or "80043431" error when a federated user tries to sign in to Office 365, Windows Azure, or Windows Intune ��

To resolve this issue, use one of the following methods, as appropriate for your situation.

Method 1: Reset the AD FS service endpoints to the default configuration

For information about how to make sure that AD FS service endpoints are set up to support SSO authentication, see the following Microsoft Knowledge Base article:

Method 2: Make sure that AD FS service endpoint configuration is updated to Windows Azure AD

For information about how to make sure that AD FS service endpoint configuration metadata is updated to the Windows Azure Active Directory (Windows Azure AD) authentication system, see the "How to update the configuration of the Office 365 federated domain" section of the following Microsoft Knowledge Base article: Still need help? Go to the Office 365 Community website or the Windows Azure Active Directory Forums website.