Event ID - 20203

Event Id20203
SourceRemoteAccess
DescriptionCannot load the security host module component. The following error occurred: %1 is not a valid Win32 application.
Event Information According to Microsoft :

Cause :

This event is logged when cannot load the security host module component.

Resolution :

Check DLL

Possible resolutions:
  • Check that the specified DLL exists at the correct location in the registry.
  • Check that the specified DLL is a validly signed Win32 application.
To perform this procedure, you must have membership in Administrators , or you must have been delegated the appropriate authority.

To check the location in the registry:
  1. Open Registry Editor. Click Start , click Run , type regedit , and then press ENTER.
  2. Right-click HKEY_LOCAL_MACHINE , and then click Find .
  3. Enter the registry parameter name from the event text, and then click Find Next to search through the registry.
  4. Correct the registry parameter.
Verify :

For the non-Microsoft DLL to function correctly:
  1. Verify whether the path to the security module is spelled correctly in the value for the HKEY_LOCAL_MACHINE\Microsoft\RAS\SecurityHost\DllPath registry key.
  2. Check with the DLL vendor to see whether the DLL implements the following functions:
  • RasSecurityDialogBegin
  • RasSecurityDialogEnd
Reference LinksEvent ID 20203 from RemoteAccess

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