How To Fix RT210 - Availability of dialog work processes

SAP Error Message - Details

• Message type: E = Error

• Message class: RT - Monitoring infrastructure MSG and alert texts

• Message number: 210

• Message text: Availability of dialog work processes

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 RT210 - Availability of dialog work processes ?

  The SAP error message RT210 pertains to the availability of dialog work processes in an SAP system. This error typically indicates that there are not enough dialog work processes available to handle the incoming user requests, which can lead to performance issues or users being unable to log in.
  Cause:
  
  Insufficient Dialog Work Processes: The number of dialog work processes configured in the SAP system is too low for the current workload.
  High User Load: A sudden increase in the number of users or transactions can exhaust the available dialog work processes.
  Long Running Transactions: If transactions are taking too long to complete, they can tie up dialog work processes, leading to a backlog.
  Configuration Issues: Incorrect configuration of the instance profile settings related to work processes can lead to insufficient availability.
  System Resource Constraints: Limited CPU, memory, or other system resources can affect the performance and availability of dialog work processes.
  
  Solution:
  
  
  Increase Dialog Work Processes:
  
  Go to the SAP instance profile (usually DEFAULT.PFL or a specific instance profile).
  Increase the number of dialog work processes (rdisp/wp_no_dia parameter).
  Restart the SAP instance for the changes to take effect.
  
  
  
  Monitor and Optimize Workload:
  
  Use transaction ST03N to analyze the workload and identify long-running transactions.
  Optimize the performance of these transactions if possible.
  
  
  
  Check System Resources:
  
  Monitor system resources (CPU, memory, disk I/O) using tools like OS-level monitoring or SAP transaction ST06.
  Ensure that the server has adequate resources to handle the expected load.
  
  
  
  Review User Load:
  
  If there is a sudden spike in user activity, consider scheduling heavy batch jobs during off-peak hours to reduce the load on dialog processes.
  
  
  
  Adjust Timeout Settings:
  
  Review and adjust the timeout settings for dialog processes to free up resources more quickly for new requests.
  
  
  
  Consider Load Balancing:
  
  If you have multiple application servers, ensure that the load is balanced across them to prevent any single server from becoming a bottleneck.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM50 (Work Process Overview) to monitor the status of work processes.
  SM66 (Global Work Process Overview) to see the status across all application servers.
  ST02 (Tune Summary) to check for memory issues.
  
  
  
  SAP Notes: Check SAP Notes related to dialog work processes for specific recommendations or known issues.
  
  
  Documentation: Refer to the SAP Basis Administration Guide for detailed information on configuring and managing work processes.
  
  
  By addressing the underlying causes and implementing the suggested solutions, you can resolve the RT210 error and improve the availability of dialog work processes in your SAP system.