How To Fix ICM601 - Number of open network connections has exceeded the threshold

ICM601 - Overview

• Message type: E = Error

• Message class: ICM - Messages for ICM Monitor

• Message number: 601

• Message text: Number of open network connections has exceeded the threshold

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ICM601 - Number of open network connections has exceeded the threshold ?

  The SAP error message ICM601 indicates that the number of open network connections to the Internet Communication Manager (ICM) has exceeded a predefined threshold. This can lead to performance issues or service interruptions in your SAP system. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause
  
  High Traffic Volume: A sudden increase in user requests or background jobs can lead to a spike in the number of open connections.
  Configuration Limits: The ICM has a maximum limit for open connections, which is defined in the profile parameters. If this limit is set too low for your usage, it can trigger this error.
  Connection Leaks: Applications or services that do not properly close connections can lead to an accumulation of open connections.
  Long-Running Requests: If requests take a long time to process, they can hold connections open longer than necessary.
  
  Solutions
  
  
  Increase Connection Limits:
  
  You can increase the maximum number of allowed connections by adjusting the