How To Fix 00165 - Maximum number of users in the system reached

00165 - Overview

• Message type: E = Error

• Message class: 00 -

• Message number: 165

• Message text: Maximum number of users in the system reached

What causes this issue?

You attempted to log on at the system, but there are too many users.

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?

Make sure that another user logs off so that you can work, or get a
corresponding licence from SAP AG.

Error message extract from SAP system. Copyright SAP SE.

00165 - Details

• The SAP error message "00165 Maximum number of users in the system reached" indicates that the system has reached its limit for concurrent user sessions. This typically occurs when the number of users logged into the SAP system exceeds the maximum number of user sessions allowed by the system configuration.
  
  Cause:
  
  User Limit Reached: The most common cause is that the maximum number of concurrent user sessions has been reached. This limit is defined in the system profile parameters.
  Configuration Settings: The system may be configured with a specific limit on the number of users that can log in simultaneously.
  Licensing Issues: The number of users may be restricted by the licensing agreement with SAP, which specifies how many users can access the system at the same time.
  Session Management: Users may not be logging out properly, leading to sessions remaining active longer than necessary.
  
  
  Solution:
  
  
  Increase User Limit:
  
  If you have the necessary permissions, you can increase