How To Fix SAML2055 - Error &1(&2) occurred during lock/unlock server operation (parameter &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: SAML2 - SAML2 Nachrichten

• Message number: 055

• Message text: Error &1(&2) occurred during lock/unlock server operation (parameter &3)

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 SAML2055 - Error &1(&2) occurred during lock/unlock server operation (parameter &3) ?

  The SAP error message SAML2055 indicates that there was an issue during the lock or unlock operation of a server, specifically related to a parameter. This error typically arises in the context of SAP's Security Assertion Markup Language (SAML) configuration, particularly when dealing with server locks for authentication or authorization processes.
  Cause:
  The error can occur due to several reasons, including:
  
  
  Configuration Issues: Incorrect configuration of the SAML settings in the SAP system can lead to this error. This includes issues with the identity provider (IdP) or service provider (SP) settings.
  
  
  Network Issues: Problems with network connectivity between the SAP system and the IdP or SP can cause lock/unlock operations to fail.
  
  
  Authorization Issues: The user or service account attempting to perform the lock/unlock operation may not have the necessary authorizations.
  
  
  System Resource Issues: Insufficient system resources (like memory or CPU) can lead to failures in executing the lock/unlock operations.
  
  
  Database Locking: If the database is locked or if there are issues with database transactions, it can prevent the lock/unlock operation from completing successfully.
  
  
  Solution:
  To resolve the SAML2055 error, you can take the following steps:
  
  
  Check Configuration: Review the SAML configuration settings in the SAP system. Ensure that all parameters are correctly set, including the IdP and SP configurations.
  
  
  Network Connectivity: Verify that there are no network issues between the SAP system and the IdP or SP. You can use tools like ping or traceroute to check connectivity.
  
  
  Authorization Check: Ensure that the user or service account has the necessary authorizations to perform lock/unlock operations. You may need to consult with your SAP security administrator.
  
  
  Monitor System Resources: Check the system resources to ensure that there are no bottlenecks. You can use transaction codes like SM50 or SM66 to monitor active processes and resource usage.
  
  
  Database Check: Investigate any database locks or issues. You can use transaction codes like SM12 to check for locks and SM21 for system logs to identify any related issues.
  
  
  Review Logs: Check the SAP system logs (transaction SLG1) for any additional error messages or warnings that could provide more context about the issue.
  
  
  Restart Services: If the issue persists, consider restarting the relevant SAP services or the entire SAP system, as this can sometimes resolve transient issues.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation on SAML configuration and troubleshooting for more detailed guidance.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  If the problem continues after following these steps, it may be necessary to contact SAP support for further assistance.