How To Fix VIRT155 -

SAP Error Message - Details

• Message type: E = Error

• Message class: VIRT - Virtualization Monitoring

• Message number: 155

• Message text:

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 VIRT155 - ?

  The SAP error message VIRT155 typically relates to issues with virtual memory or system resources in the SAP environment. This error can occur in various contexts, often indicating that the system is unable to allocate the necessary resources for a process or transaction.
  Cause:
  
  Insufficient Memory: The most common cause is that the system does not have enough virtual memory or physical memory available to complete the requested operation.
  Configuration Issues: Incorrect configuration settings in the SAP system or the underlying operating system can lead to resource allocation problems.
  High Load: A high number of concurrent users or processes can exhaust available resources, leading to this error.
  Memory Leaks: Applications or processes that do not release memory properly can lead to gradual depletion of available resources.
  
  Solution:
  
  Increase Memory Allocation: Review and increase the memory settings for the SAP instance. This may involve adjusting parameters in the SAP profile (e.g., abap/heap_area_total, abap/heap_area_dia, etc.).
  Check System Load: Monitor the system load and performance. If the system is under heavy load, consider optimizing processes or increasing hardware resources.
  Review Configuration: Ensure that the SAP system and the operating system are configured correctly for optimal performance. This includes checking swap space and virtual memory settings.
  Restart Services: Sometimes, simply restarting the SAP services or the entire server can help clear up resource allocation issues.
  Analyze Memory Usage: Use transaction codes like ST02 (Tune Summary) or ST06 (Operating System Monitor) to analyze memory usage and identify potential bottlenecks.
  Patch and Update: Ensure that your SAP system is up to date with the latest patches and updates, as these can resolve known issues related to memory management.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific guidance or patches related to the VIRT155 error. SAP frequently updates its knowledge base with solutions for common issues.
  System Monitoring Tools: Utilize SAP's monitoring tools to keep an eye on system performance and resource usage.
  Consult Documentation: Refer to SAP documentation for best practices on memory management and system configuration.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with SAP support or a qualified SAP Basis consultant for further assistance.