How To Fix MSGSERVER021 - & lines from & read

MSGSERVER021 - Overview

• Message type: E = Error

• Message class: MSGSERVER - Messages for Message Server

• Message number: 021

• Message text: & lines from & read

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 MSGSERVER021 - & lines from & read ?

  The SAP error message MSGSERVER021 typically indicates an issue related to message server communication in an SAP system. This error can occur in various scenarios, often related to the configuration of the SAP system or network issues.
  
  Cause:
  
  Network Issues: There may be network connectivity problems between the application server and the message server.
  Configuration Errors: Incorrect configuration settings in the SAP system, such as the message server's parameters in the instance profile.
  Resource Limitations: The message server may be overloaded or not able to handle the number of connections.
  Firewall Restrictions: Firewalls or security settings may be blocking the necessary ports for communication.
  SAP Kernel Issues: Outdated or incompatible SAP kernel versions can also lead to communication errors.
  
  
  Solution:
  
  Check Network Connectivity: Ensure that the application server can reach the message server. Use tools like ping or telnet to test connectivity.
  Review Configuration: Check the instance profile settings for the message server. Ensure that parameters like ms/port and