How To Fix USMD2228 - Only these protocols are permitted: http://, https://, ftp:// and file://

SAP Error Message - Details

• Message type: E = Error

• Message class: USMD2 - Master Data: UI Modeling

• Message number: 228

• Message text: Only these protocols are permitted: http://, https://, ftp:// and file://

What causes this issue?

You can use only the following protocols:
http://
https://
ftp://
file://
Valid external Links are for Example.:
http://www.sap.com/
https://www.sap.com/
ftp://download.sap.com/file.zip
file://shareserver/sharefolder/sharefile.txt

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?

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 USMD2228 - Only these protocols are permitted: http://, https://, ftp:// and file:// ?

  The SAP error message USMD2228 indicates that the system has encountered a problem with the protocol used in a URL. Specifically, it states that only certain protocols are permitted: http://, https://, ftp://, and file://. This error typically arises when an unsupported protocol is used in a URL configuration or when a URL is incorrectly formatted.
  Cause:
  
  Unsupported Protocol: The URL provided in the configuration or input uses a protocol that is not allowed by the SAP system.
  Incorrect URL Format: The URL may be malformed or missing the required protocol prefix.
  Configuration Issues: The system settings or configurations may not allow certain protocols due to security policies or restrictions.
  
  Solution:
  
  
  Check the URL: Ensure that the URL you are using starts with one of the permitted protocols (http://, https://, ftp://, or file://). For example, if you have a URL like myserver.com/resource, it should be changed to http://myserver.com/resource.
  
  
  Correct the Format: Make sure the URL is correctly formatted. It should not contain any spaces or invalid characters. 
  
  
  Review Configuration Settings: If you are using a custom application or integration, check the configuration settings to ensure that they are set to allow the required protocols.
  
  
  Consult Documentation: Refer to the SAP documentation or help resources for the specific application or module you are working with to understand any additional restrictions or requirements regarding URL formats.
  
  
  Test with Different Protocols: If you are unsure which protocol to use, try testing with http:// or https:// as these are the most commonly supported protocols.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Security Considerations: Be aware of security implications when using different protocols, especially when dealing with sensitive data. Always prefer https:// over http:// for secure communications.
  System Logs: Review system logs for additional context or related error messages that may provide further insight into the issue.
  
  If the problem persists after following these steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.