How To Fix HH018 - Access authorization to specified 'rawdevice' or 'link' incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: HH - (Long) text for check tool 'infcfgcheck'

• Message number: 018

• Message text: Access authorization to specified 'rawdevice' or 'link' incorrect

What causes this issue?

Access authorization for the specified path is not set correctly.
The specified path is a link to the actual raw device.
A raw device provided for the Informix server should produce the
following output after entry of 'ls -l <rawdev-path>':
'crw-rw---- 1 informix informix ...'.
(see Note 53664.)

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message HH018 - Access authorization to specified 'rawdevice' or 'link' incorrect ?

  The SAP error message HH018 indicates that there is an issue with access authorization to a specified 'raw device' or 'link'. This error typically occurs in the context of SAP's database or file system operations, particularly when the system is trying to access a device or file that it does not have the necessary permissions for.
  Cause:
  
  Insufficient Permissions: The user or the SAP instance does not have the required permissions to access the specified raw device or link.
  Incorrect Configuration: The raw device or link may not be correctly configured in the SAP system or the underlying operating system.
  File System Issues: The file system may have restrictions or issues that prevent access to the specified device or link.
  User Role Issues: The user role assigned to the SAP user may not include the necessary authorizations to access the raw device.
  
  Solution:
  
  
  Check Permissions:
  
  Ensure that the user or the SAP instance has the necessary permissions to access the raw device or link. This may involve checking the operating system's file permissions and adjusting them as needed.
  Use commands like ls -l (on Unix/Linux) to check the permissions of the raw device.
  
  
  
  Review Configuration:
  
  Verify that the raw device or link is correctly configured in the SAP system. This includes checking the parameters in the SAP profile and ensuring that the device is correctly defined in the system.
  
  
  
  Adjust User Roles:
  
  If the issue is related to user roles, review the roles assigned to the user and ensure that they include the necessary authorizations for accessing the raw device.
  
  
  
  Consult SAP Documentation:
  
  Refer to SAP Notes and documentation for specific guidance related to the HH018 error. SAP may provide specific recommendations or patches that address this issue.
  
  
  
  Check System Logs:
  
  Review the system logs for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Contact System Administrator:
  
  If you are unable to resolve the issue, it may be necessary to contact your system administrator or SAP support for further assistance.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Operating System Documentation: Review the documentation for the operating system being used to understand how to manage permissions for raw devices.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the HH018 error in your SAP environment.