How To Fix CMS162 - Location &1 for network mask &2 redundant for network mask &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS - KPro: Content Management Service

• Message number: 162

• Message text: Location &1 for network mask &2 redundant for network mask &3

What causes this issue?

The Customizing specifies that subnets &v2& and &v3& are found at
location &v1&. Since the subnet &v2& is a subnetwork of &v3&, you do
not need to make an entry for &v2&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Remove the entry &v2& from the Customizing ( <DS:TRAN.SCMSIP>Define
subnets</>).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMS162 - Location &1 for network mask &2 redundant for network mask &3 ?

  The SAP error message CMS162 indicates a problem related to network configuration, specifically concerning redundant network masks in the context of the Central Management Server (CMS) in SAP BusinessObjects or similar SAP environments. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  The error message CMS162 typically arises when there are overlapping or redundant network masks defined in the system. This can occur when:
  
  Two or more network interfaces are configured with the same network address but different masks.
  The network configuration is not properly set up, leading to ambiguity in routing or addressing.
  There is a misconfiguration in the network settings of the SAP system or the underlying operating system.
  
  Solution:
  To resolve the CMS162 error, you can take the following steps:
  
  
  Review Network Configuration:
  
  Check the network settings in the SAP system and ensure that there are no overlapping network addresses or masks.
  Verify the configuration of network interfaces on the server where SAP is running.
  
  
  
  Identify Redundant Masks:
  
  Use the error message details to identify the specific network masks that are causing the conflict (i.e., &2 and &3 in the error message).
  Determine which network mask is necessary and remove or adjust the redundant one.
  
  
  
  Update Network Settings:
  
  If you find that there are indeed redundant configurations, update the network settings to ensure that each network interface has a unique address and mask.
  Make sure that the changes are consistent across all relevant configurations (e.g., in the SAP system, operating system, and any network management tools).
  
  
  
  Restart Services:
  
  After making changes to the network configuration, restart the relevant SAP services or the entire server to ensure that the changes take effect.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or support resources for specific guidance on network configuration best practices for your version of SAP.
  
  
  
  Contact Support:
  
  If the issue persists after making the necessary adjustments, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Network Configuration Best Practices: Familiarize yourself with best practices for configuring network settings in SAP environments to avoid similar issues in the future.
  SAP Notes and Knowledge Base: Check SAP Notes for any known issues or patches related to network configuration and the CMS162 error.
  Monitoring Tools: Utilize network monitoring tools to keep track of network configurations and detect potential conflicts early.
  
  By following these steps, you should be able to resolve the CMS162 error and ensure that your SAP system's network configuration is correctly set up.