How To Fix DBA_ALERT803 - Database Connection is not available

SAP Error Message - Details

• Message type: E = Error

• Message class: DBA_ALERT - DBA Cockpit: Alert Framework

• Message number: 803

• Message text: Database Connection is not available

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 DBA_ALERT803 - Database Connection is not available ?

  The SAP error message DBA_ALERT803, which indicates that the database connection is not available, can arise from various issues related to the database or the SAP system's configuration. Below are some common causes, potential solutions, and related information to help troubleshoot and resolve this error.
  Causes:
  
  Database Server Down: The database server may be down or not reachable due to network issues or server crashes.
  Configuration Issues: Incorrect database connection parameters in the SAP system configuration (e.g., incorrect hostname, port, or database name).
  Database Instance Not Running: The specific database instance that SAP is trying to connect to may not be running.
  Resource Limitations: The database may be experiencing resource limitations (e.g., memory, CPU) that prevent it from accepting new connections.
  Firewall or Network Issues: Firewalls or network configurations may be blocking the connection between the SAP application server and the database server.
  User Authentication Issues: The user credentials used to connect to the database may be incorrect or the user may not have the necessary permissions.
  
  Solutions:
  
  Check Database Server Status: Ensure that the database server is up and running. You can do this by logging into the database server directly or using monitoring tools.
  Verify Connection Parameters: Check the database connection parameters in the SAP system (transaction DBACOCKPIT or RZ10 for profile parameters) to ensure they are correct.
  Restart Database Instance: If the database instance is not running, restart it. This may require administrative privileges.
  Monitor Resource Usage: Use database monitoring tools to check for resource usage and ensure that the database has enough resources to handle connections.
  Check Network Configuration: Ensure that there are no firewall rules or network issues preventing the SAP application server from reaching the database server.
  Review User Credentials: Verify that the user credentials used for the database connection are correct and that the user has the necessary permissions to access the database.
  Check SAP Logs: Review the SAP application logs (transaction SM21) and database logs for any additional error messages that may provide more context about the issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the DBA_ALERT803 error. You can search for relevant notes in the SAP Support Portal.
  Database Documentation: Refer to the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for troubleshooting connection issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the issue persists after trying the above solutions, it may be necessary to involve your database administrator or SAP support for further assistance.