How To Fix SR266 - All non-empty callback whitelists were activated

SAP Error Message - Details

• Message type: E = Error

• Message class: SR - RFC utilities

• Message number: 266

• Message text: All non-empty callback whitelists were activated

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SR266 - All non-empty callback whitelists were activated ?

  The SAP error message "SR266 All non-empty callback whitelists were activated" typically relates to the SAP system's security settings, particularly in the context of callback functions and whitelisting. This error can occur when the system detects that all configured callback whitelists are active and non-empty, which may lead to security concerns or misconfigurations.
  Cause:
  
  Callback Whitelists: In SAP, callback whitelists are used to define which callback functions are allowed to be executed. If all whitelists are activated and contain entries, it may indicate that the system is set to allow all callbacks, which could pose a security risk.
  Configuration Issues: The error may arise from incorrect configuration settings in the system, where the whitelists are not properly defined or managed.
  Security Policies: The system may have strict security policies that prevent the execution of certain functions unless they are explicitly allowed in the whitelist.
  
  Solution:
  
  Review Whitelist Configuration: Check the configuration of the callback whitelists in your SAP system. Ensure that they are set up correctly and that only necessary callbacks are included.
  Modify Whitelist Entries: If all entries are not required, consider removing unnecessary callbacks from the whitelists to reduce the risk of security vulnerabilities.
  Consult Documentation: Refer to SAP documentation or security guidelines related to callback functions and whitelisting to ensure compliance with best practices.
  System Update: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known issues related to callback whitelists.
  Engage SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They can provide specific guidance based on your system configuration and version.
  
  Related Information:
  
  SAP Security Guidelines: Familiarize yourself with SAP's security best practices, especially regarding callback functions and whitelisting.
  System Logs: Check system logs for additional error messages or warnings that may provide more context about the issue.
  User Roles and Permissions: Review user roles and permissions to ensure that only authorized users can modify callback settings.
  
  By following these steps, you should be able to address the error message SR266 and ensure that your SAP system's callback whitelists are configured securely and effectively.