How To Fix NET005 - Network IP packet routing

SAP Error Message - Details

• Message type: E = Error

• Message class: NET - Network Messages

• Message number: 005

• Message text: Network IP packet routing

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 NET005 - Network IP packet routing ?

  The SAP error message NET005, which indicates a problem with "Network IP packet routing," typically arises when there are issues with the network configuration or connectivity between the SAP system and the database or application server. Here are some common causes, potential solutions, and related information:
  Causes:
  
  Network Configuration Issues: Incorrect IP addresses, subnet masks, or routing tables can prevent proper communication between systems.
  Firewall Restrictions: Firewalls may block the necessary ports for SAP communication, leading to routing errors.
  DNS Resolution Problems: If the hostname cannot be resolved to an IP address, the connection will fail.
  Network Hardware Failures: Issues with routers, switches, or other network devices can disrupt connectivity.
  SAP Instance Configuration: Incorrect settings in the SAP instance profile or configuration files can lead to routing issues.
  
  Solutions:
  
  
  Check Network Configuration:
  
  Verify the IP addresses and subnet masks of the SAP application server and database server.
  Ensure that the routing tables are correctly set up to allow communication between the servers.
  
  
  
  Firewall Settings:
  
  Check the firewall settings to ensure that the necessary ports for SAP communication (e.g., 3200 for SAP GUI, 3300 for SAP Web Dispatcher) are open.
  If applicable, configure the firewall to allow traffic between the relevant IP addresses.
  
  
  
  DNS Configuration:
  
  Ensure that the DNS settings are correct and that the hostname of the SAP server can be resolved to the correct IP address.
  You can test this by using commands like ping or nslookup from the command line.
  
  
  
  Network Hardware:
  
  Check the status of network devices (routers, switches) to ensure they are functioning properly.
  Look for any error messages or logs that might indicate hardware issues.
  
  
  
  SAP Instance Configuration:
  
  Review the instance profile parameters in the SAP system to ensure they are correctly configured.
  Check for any recent changes that might have affected the network settings.
  
  
  
  Logs and Traces:
  
  Review the SAP logs (e.g., dev_w0, dev_r0) for any additional error messages that might provide more context.
  Use transaction codes like SM21 (System Log) or ST22 (Dump Analysis) to check for related errors.
  
  
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address specific issues related to NET005.
  Network Monitoring Tools: Utilize network monitoring tools to analyze traffic and identify where packets may be getting lost or blocked.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By systematically checking these areas, you should be able to identify and resolve the cause of the NET005 error in your SAP environment.