How To Fix SCLNT_HTTP406 - ICM authorization error (ICM_HTTP_NO_PERMISSION)

SCLNT_HTTP406 - Overview

• Message type: E = Error

• Message class: SCLNT_HTTP - Messages for HTTP Client for Respective Error Code

• Message number: 406

• Message text: ICM authorization error (ICM_HTTP_NO_PERMISSION)

What causes this issue?

An internal ICM error occurred.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the ICM trace file.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SCLNT_HTTP406 - ICM authorization error (ICM_HTTP_NO_PERMISSION) ?

  The SAP error message SCLNT_HTTP406 with the description ICM authorization error (ICM_HTTP_NO_PERMISSION) typically indicates that there is an issue with the authorization settings for the Internet Communication Manager (ICM) in your SAP system. This error occurs when a request is made to the ICM, but the user does not have the necessary permissions to access the requested resource.
  Causes:
  
  Authorization Issues: The user making the request does not have the required authorizations to access the specific resource or service.
  ICM Configuration: The ICM may not be configured correctly to allow access to certain URLs or services.
  HTTP Security Settings: Security settings in the ICM may be too restrictive, preventing access to certain endpoints.
  User Roles: The user may not be assigned the correct roles or profiles that grant access to the required transactions or services.
  
  Solutions:
  
  
  Check User Authorizations:
  
  Verify that the user has the necessary authorizations to access the requested resource. You can do this by checking