How To Fix 04101 - Connection to &: TCP/IP error

04101 - Overview

• Message type: E = Error

• Message class: 04 -

• Message number: 101

• Message text: Connection to &: TCP/IP error

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?

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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 04101 - Connection to &: TCP/IP error ?

  The SAP error message "04101 Connection to &: TCP/IP error" typically indicates that there is a problem with the network connection between the SAP application server and the database or another system it is trying to connect to. This error can arise from various issues, including network configuration problems, firewall settings, or incorrect connection parameters.
  Causes:
  
  Network Issues: There may be a problem with the network connection, such as a downed network link or misconfigured network settings.
  Firewall Restrictions: Firewalls may be blocking the necessary ports for SAP communication.
  Incorrect Connection Parameters: The connection parameters (like hostname, port number, or service name) may be incorrectly configured in the SAP system.
  Database Server Down: The database server that SAP is trying to connect to may be down or not reachable.
  SAP Instance Not Running: The SAP instance you are trying to connect to may not be running or may have crashed.
  DNS Resolution Issues: The hostname may not