Event ID 632 — Trust Policy and Configuration

Applies To: Windows Server 2008 R2

The Active Directory Federation Services (AD FS) trust policy file defines the set of parameters that a Federation Service requires to identify partners, certificates, account stores, claims, and the various properties of these entities that are associated with the Federation Service.

Event Details

Product: Windows Operating System
ID: 632
Source: Microsoft-Windows-ADFS
Version: 6.1
Symbolic Name: CustomModuleExceptionLoading
Message: The Federation Service encountered an error while loading the trust policy. An exception was thrown during loading of a custom module assembly.
Assembly path: %1

If this error occurs startup of the during Federation Service, the Federation Service will be not be able to start, and all requests to the Federation Service will fail until the configuration is corrected. If this error occurs while the Federation Service is running, the Federation Service will continue to use the last trust policy that was loaded successfully.

This error may be generated by a non-Microsoft module that is not part of AD FS.

User Action
Ensure that the assembly path is correct and that the assembly file has appropriate permissions.

Additional Data
Exception information:


Review the claim transform module setting

When you specify the dynamic-link library (DLL) file that the claim transform module will use to modify claims, make sure that the file path is valid and that the user has permission to access this file.

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

To review the file path that is specified for the claim transform module setting in the trust policy:

  1. On the federation server, click Start, point to Administrative Tools, and then click Active Directory Federation Services.
  2. In the console tree, under Federation Service, right-click Trust Policy, and then click Properties.
  3. Click the Transform Module tab, and then review the file path that is specified in DLL file.


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.

Trust Policy and Configuration

Active Directory Federation Services