How To Fix SCLNT_HTTP402 - Timeout error (ICM_HTTP_TIMEOUT)

SAP Error Message - Details

• Message type: E = Error

• Message class: SCLNT_HTTP - Messages for HTTP Client for Respective Error Code

• Message number: 402

• Message text: Timeout error (ICM_HTTP_TIMEOUT)

What causes this issue?

The server did not respond to the request in the time allowed.

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?

If necessary, increase the timeout value for processing the request. It
is possible to specify this in the ABAP HTTP client. If it has not been
specified by the HTTP client, the setting in the profile parameter
icm/server_port is used.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SCLNT_HTTP402 - Timeout error (ICM_HTTP_TIMEOUT) ?

  The SAP error message SCLNT_HTTP402 with the description Timeout error (ICM_HTTP_TIMEOUT) typically indicates that an HTTP request to the SAP system has timed out. This can occur in various scenarios, such as when the system is under heavy load, when there are network issues, or when the server is not responding in a timely manner.
  Causes:
  
  Network Issues: Problems with the network connection between the client and the SAP server can lead to timeouts.
  Server Load: High load on the SAP server can cause delays in processing requests, leading to timeouts.
  Long-Running Processes: If a request is taking too long to process (e.g., due to complex queries or large data processing), it may exceed the timeout threshold.
  Configuration Settings: The timeout settings in the Internet Communication Manager (ICM) or the application server may be set too low.
  Firewall or Proxy Issues: Firewalls or proxies may be interrupting the connection, causing delays or timeouts.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the client and the SAP server. You can use tools like ping or traceroute to diagnose connectivity problems.
  Monitor Server Performance: Check the performance of the SAP server. Use transaction codes like SM50 (to monitor work processes) and ST22 (to check for dumps) to identify any performance bottlenecks.
  Increase Timeout Settings:
  
  You can adjust the timeout settings in the ICM configuration. This can be done in the SAP GUI:
  
  Go to transaction RZ10 to change the profile parameters.
  Look for parameters like icm/HTTP/timeout and increase the value.
  
  
  After making changes, you may need to restart the ICM or the entire SAP system for the changes to take effect.
  
  
  Optimize Long-Running Processes: If specific transactions or reports are causing timeouts, consider optimizing them. This may involve improving database queries, indexing, or breaking down large processes into smaller ones.
  Check Firewall/Proxy Settings: Ensure that any firewalls or proxies are configured correctly and are not causing interruptions in the connection.
  
  Related Information:
  
  ICM Configuration: The Internet Communication Manager (ICM) is responsible for handling HTTP(S) requests in SAP. Understanding its configuration can help in troubleshooting timeout issues.
  SAP Notes: Check for relevant SAP Notes that may address specific issues related to timeouts or performance. You can search the SAP Support Portal for notes related to ICM_HTTP_TIMEOUT.
  SAP Community: Engaging with the SAP Community can provide insights from other users who may have faced similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.