How To Fix WUSL135 - Database connection &1 does not exist on this server

SAP Error Message - Details

• Message type: E = Error

• Message class: WUSL - Messages for where-used list

• Message number: 135

• Message text: Database connection &1 does not exist on this server

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WUSL135 - Database connection &1 does not exist on this server ?

  The SAP error message WUSL135 indicates that the specified database connection does not exist on the server. This can occur for various reasons, and understanding the cause is essential for troubleshooting and resolving the issue. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Incorrect Database Connection Name: The connection name specified in the configuration may be incorrect or misspelled.
  Database Not Configured: The database may not be configured on the SAP application server.
  Database Instance Down: The database instance may be down or not running, leading to the inability to establish a connection.
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the database server.
  Authorization Issues: The user may not have the necessary permissions to access the specified database connection.
  Configuration Changes: Recent changes in the database configuration or SAP system settings may have led to the disconnection.
  
  Solutions:
  
  Verify Connection Name: Check the connection name in the SAP configuration and ensure it matches the name defined in the database.
  Check Database Configuration: Use transaction code DBACOCKPIT or DB02 to verify that the database is correctly configured and available.
  Restart Database Instance: If the database instance is down, restart it and check if the connection can be established.
  Network Troubleshooting: Ensure that there are no network issues preventing access to the database server. You can use tools like ping or telnet to test connectivity.
  Review User Permissions: Ensure that the user has the necessary permissions to access the database. Check the roles and authorizations assigned to the user.
  Check SAP Configuration: Review the SAP instance profile and configuration settings to ensure that the database connection is correctly defined.
  Consult Logs: Check the SAP application server logs and database logs for any additional error messages that may provide more context about the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as DBACOCKPIT, DB02, and SM21 (System Log) for monitoring and troubleshooting.
  SAP Notes: Search for SAP Notes related to WUSL135 for any specific patches or updates that may address known issues.
  Documentation: Review SAP documentation regarding database connections and configurations for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.