How To Fix 5U090 - Beginning of protocol RPURESX1

SAP Error Message - Details

• Message type: E = Error

• Message class: 5U - HR US: Messages

• Message number: 090

• Message text: Beginning of protocol RPURESX1

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 5U090 - Beginning of protocol RPURESX1 ?

  The SAP error message "5U090 Beginning of protocol RPURESX1" typically indicates an issue related to the communication protocol between the SAP system and the database or application server. This error can occur during various operations, such as when trying to connect to the database or when executing certain transactions.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP application server and the database server.
  Database Configuration: The database may not be properly configured or may not be running.
  SAP Kernel Issues: There could be a problem with the SAP kernel version being used, which may not be compatible with the database.
  Resource Limitations: The server may be running out of resources (e.g., memory, CPU), leading to communication failures.
  Incorrect Parameters: Configuration parameters in the SAP system or database may be incorrectly set.
  
  Solutions:
  
  Check Network Connectivity: Ensure that the network connection between the SAP application server and the database server is stable and functioning correctly. You can use tools like ping or traceroute to diagnose network issues.
  Verify Database Status: Check if the database is up and running. You can do this by logging into the database directly and checking its status.
  Review SAP Kernel Version: Ensure that you are using a compatible version of the SAP kernel for your database. If necessary, update the kernel to a version that is known to work with your database.
  Monitor System Resources: Use monitoring tools to check the resource usage on both the application server and the database server. If resources are low, consider optimizing the system or upgrading hardware.
  Check Configuration Parameters: Review the configuration settings in both the SAP system and the database. Ensure that all parameters are set correctly according to the documentation.
  Review Logs: Check the SAP system logs (transaction SM21) and the database logs for any additional error messages that may provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Refer to the official SAP documentation for your specific version and database to understand the expected configurations and compatibility requirements.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your SAP Basis team or contact SAP support for further assistance.