How To Fix DBOSC215 - Error while resolving IP address &1; rc=&2

SAP Error Message - Details

• Message type: E = Error

• Message class: DBOSC -

• Message number: 215

• Message text: Error while resolving IP address &1; rc=&2

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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Smart SAP Assistant

• What is the cause and solution for SAP error message DBOSC215 - Error while resolving IP address &1; rc=&2 ?

  The SAP error message DBOSC215 indicates that there is an issue with resolving the IP address of a database server. This error typically occurs when the SAP system is unable to connect to the database due to DNS resolution problems or network configuration issues.
  Cause:
  
  DNS Resolution Issues: The hostname of the database server cannot be resolved to an IP address. This could be due to incorrect DNS settings or the hostname not being registered in the DNS server.
  Network Configuration: There may be network issues preventing the SAP system from reaching the database server. This could include firewall settings, routing issues, or network outages.
  Incorrect Configuration: The database connection parameters in the SAP system might be incorrectly configured, leading to the inability to resolve the IP address.
  Database Server Down: The database server itself may be down or not reachable due to maintenance or other issues.
  
  Solution:
  
  
  Check DNS Configuration:
  
  Verify that the hostname of the database server is correctly configured in the DNS server.
  Use commands like nslookup or ping from the SAP application server to check if the hostname resolves correctly to an IP address.
  
  
  
  Update Hosts File:
  
  If DNS is not configured or not working, you can add an entry in the /etc/hosts file (on Unix/Linux) or C:\Windows\System32\drivers\etc\hosts (on Windows) to map the hostname to the correct IP address.
  
  
  
  Network Connectivity:
  
  Ensure that there are no network issues preventing connectivity to the database server. Check firewall settings and ensure that the necessary ports are open.
  Use tools like ping or traceroute to diagnose network connectivity issues.
  
  
  
  Check SAP Configuration:
  
  Review the database connection settings in the SAP system (e.g., in the DBACOCKPIT or DB02 transaction) to ensure that the hostname and port are correctly specified.
  If using an SAP profile, check the relevant parameters in the instance profile.
  
  
  
  Database Server Status:
  
  Ensure that the database server is up and running. Check the database logs for any errors that might indicate why it is not reachable.
  
  
  
  Restart Services:
  
  Sometimes, simply restarting the SAP application server or the database server can resolve transient issues.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to database connectivity issues for specific guidance and troubleshooting steps.
  Logs: Review the SAP application server logs and database logs for any additional error messages that might provide more context on the issue.
  Network Tools: Familiarize yourself with network diagnostic tools that can help troubleshoot connectivity issues (e.g., ping, traceroute, telnet).
  
  If the issue persists after following these steps, it may be necessary to involve your network or database administrator for further investigation.