How To Fix GW046 - Long connect timeouts because downward compatibility has been activated

GW046 - Overview

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 046

• Message text: Long connect timeouts because downward compatibility has been activated

What causes this issue?

The profile parameter <ZH>gw/compatibility </> has a value <> 0.
This enables downward compatibility with older CPIC/RFC programs, which
communicate with the gateway via UPD (instead of TCP).

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

System Response

If a connection via UPD fails, this is only established after a timeout
has expired (==> <ZH>gw/cpic_timeout</>).

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

GW046 - Details

• The SAP error message GW046 indicates that there are long connection timeouts due to the activation of downward compatibility in the SAP Gateway. This typically occurs when the system is trying to connect to a backend system that is not fully compatible with the current version of the SAP Gateway.
  
  Cause:
  
  Downward Compatibility: This feature allows newer versions of the SAP Gateway to communicate with older versions of backend systems. However, this can lead to performance issues, including long connection timeouts, especially if the backend system is significantly outdated or if there are network issues.
  Network Latency: High latency in the network can exacerbate the timeout issues, especially when the system is trying to establish a connection with a slower backend.
  
  Configuration Issues: Incorrect configuration settings in the SAP Gateway or the backend system can also lead to connection problems.
  
  
  Solution:
  
  Check Compatibility: Ensure that the backend system is compatible with the version of the SAP