How To Fix GW677 - Timeout while waiting for a connection to be established

GW677 - Overview

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 677

• Message text: Timeout while waiting for a connection to be established

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 GW677 - Timeout while waiting for a connection to be established ?

  The SAP error message GW677, which indicates a "Timeout while waiting for a connection to be established," typically occurs in the context of SAP Gateway or when trying to establish a connection to an SAP system. This error can arise due to various reasons, including network issues, configuration problems, or resource limitations. Below are some common causes, potential solutions, and related information:
  Causes:
  
  Network Issues: There may be network connectivity problems between the client and the SAP server, such as firewalls blocking the connection or network latency.
  Server Overload: The SAP server may be overloaded with requests, leading to delays in establishing new connections.
  Configuration Errors: Incorrect configuration settings in the SAP Gateway or the application server can lead to connection timeouts.
  Resource Limitations: Insufficient resources (CPU, memory) on the SAP server can cause delays in processing requests.
  Timeout Settings: The timeout settings in the SAP system or the client application may be set too low,