How To Fix LDAP051 - Error accessing secure memory

SAP Error Message - Details

• Message type: E = Error

• Message class: LDAP - LDAP Interface Messages in ABAP

• Message number: 051

• Message text: Error accessing secure memory

What causes this issue?

An error occurred while the system was attempting to write logon data
for directory access with teh identification &V1& to the <ZK>secure
storage</>, or to read from the secure storage.

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?

The cause of the error is unknown. You have the following options:
Repeat the operation
Log on to a different application server and repeat the operation

Procedure for System Administrators

Check if there are SAP Notes about error message LDAP051.
Alternatively, you can store the logon dataa in the <ZK>simple store
</>, where this error cannot occur.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LDAP051 - Error accessing secure memory ?

  The SAP error message LDAP051, which indicates "Error accessing secure memory," typically occurs in the context of LDAP (Lightweight Directory Access Protocol) when there are issues related to memory allocation or access permissions. This error can arise in various scenarios, such as during authentication processes or when connecting to an LDAP server.
  Causes:
  
  Insufficient Memory: The system may not have enough memory allocated for the LDAP operations.
  Permissions Issues: The user or process attempting to access the secure memory may not have the necessary permissions.
  Configuration Errors: Incorrect configuration settings in the LDAP or SAP system can lead to this error.
  Operating System Limitations: Certain operating systems may have restrictions or limitations on memory access that can trigger this error.
  Library Issues: Problems with the underlying libraries used for LDAP connections can also cause this error.
  
  Solutions:
  
  
  Check Memory Allocation:
  
  Ensure that the system has sufficient memory allocated for LDAP operations. You may need to increase the memory limits in your system settings.
  
  
  
  Review Permissions:
  
  Verify that the user or service account running the SAP application has the necessary permissions to access secure memory. This may involve checking user roles and permissions in both the SAP and operating system environments.
  
  
  
  Configuration Review:
  
  Double-check the LDAP configuration settings in the SAP system. Ensure that the LDAP server details, authentication methods, and other related settings are correctly configured.
  
  
  
  Operating System Settings:
  
  If you are running on a Unix/Linux system, check the system's security settings (like SELinux or AppArmor) that might restrict access to secure memory.
  
  
  
  Update Libraries:
  
  Ensure that you are using the latest versions of the LDAP libraries. Sometimes, bugs in older versions can lead to such errors.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes or Knowledge Base Articles that address the LDAP051 error. There may be specific patches or updates available.
  
  
  
  Logs and Traces:
  
  Review the SAP application logs and traces for more detailed error messages that can provide additional context about the issue.
  
  
  
  Restart Services:
  
  Sometimes, simply restarting the SAP application or the LDAP service can resolve transient issues.
  
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for LDAP integration and configuration for specific guidelines.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Requirements: Ensure that your system meets the necessary requirements for running LDAP services alongside SAP.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.