Event ID - 124

Event Id124
SourceMicrosoft-Windows-ADFS
DescriptionThe AD FS Web Agent for Windows NT token-based applications encountered a serious error. Registration for change notification in the Internet Information Services (IIS) configuration failed. This condition prevents the Web agent authentication service from starting. Users will not be able to access protected resources until the authentication service can be restarted. Additional Data The data field contains an HRESULT error code.
Event Information According to Microsoft :

Cause :

This event is logged when the AD FS Web Agent for Windows NT token-based applications encountered a serious error.

Resolution :

Run the Winerror.exe tool to get more error information

Run the Winerror.exe tool, and specify the error code as a parameter. This action provides the detailed meaning of the error code.

Verify :

Verify that you can access the Active Directory Federation Services (AD FS)-enabled application from a client browser and that the resource can be accessed with the appropriate authorization.

If you cannot access the application successfully, verify that the Windows token-based agent is configured with correct URL values and that all configuration parameters contain valid values.

To perform this procedure, you must be a member of the local Administrators group, or you must have been delegated the appropriate authority.

To verify that the Windows token-based agent is configured with correct values:
  1. Click Start , point to Administrative Tools , and then click Internet Information Services (IIS) Manager .
  2. In the console tree, click YourComputerName (local computer) .
  3. In the console tree, double-click Sites , and then click YourWebSiteName.
  4. In the center pane, double-click Authentication , highlight AD FS Windows Token-Based Agent , and then in the Actions pane click Edit .
  5. In the AD FS Windows Token-Based Agent dialog box, confirm that the Enable AD FS Web Agent check box is selected.
  6. Make sure that the following values are valid, and then click OK .
  • Cookie path
  • Cookie domain
  • Return URL
Reference LinksEvent ID 124 from Source Microsoft-Windows-ADFS

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