How To Fix GW245 - Insufficient memory in gateway; log on again later

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 245

• Message text: Insufficient memory in gateway; log on again later

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 GW245 - Insufficient memory in gateway; log on again later ?

  The SAP error message GW245, which states "Insufficient memory in gateway; log on again later," typically indicates that the SAP Gateway is experiencing memory issues, which can prevent users from logging in or executing certain functions. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Memory Limitations: The SAP Gateway may have reached its memory limit due to high usage or insufficient configuration.
  Resource Leaks: There may be memory leaks in the system, possibly due to poorly designed custom code or third-party applications.
  High Load: A sudden spike in user activity or background jobs can lead to temporary memory exhaustion.
  Configuration Issues: Incorrect configuration settings for the SAP Gateway can lead to inefficient memory usage.
  System Bugs: There may be bugs in the SAP software that affect memory management.
  
  Solutions:
  
  Restart the Gateway: Sometimes, simply restarting the SAP Gateway can free up memory and resolve the issue temporarily.
  Check Memory Settings: Review and adjust the memory settings for the SAP Gateway. This can include increasing the memory allocation if the system allows it.
  Monitor System Performance: Use transaction codes like SM50 (to monitor work processes) and SM66 (to monitor global work processes) to identify any processes that are consuming excessive memory.
  Analyze Background Jobs: Check for any long-running or resource-intensive background jobs that may be consuming memory and causing the issue.
  Review Custom Code: If there are custom developments, review them for efficiency and memory usage. Optimize or refactor code as necessary.
  Update SAP: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for memory management issues.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide guidance on memory management for your version of SAP.
  Increase Hardware Resources: If the system consistently runs out of memory, consider upgrading the hardware resources (RAM) allocated to the SAP system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM37 (to check job logs), ST22 (to check dumps), and SM21 (to check system logs) for further diagnostics.
  SAP Community: Engage with the SAP Community or forums for insights from other users who may have experienced similar issues.
  SAP Support: If the problem persists, consider reaching out to SAP Support for assistance, especially if it is affecting business operations.
  
  By following these steps, you should be able to diagnose and potentially resolve the GW245 error in your SAP environment.