How To Fix TW169 - Connect is not possible: &

TW169 - Overview

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 169

• Message text: Connect is not possible: &

What causes this issue?

R3trans cannot logon to the database.

System Response

The program is cancelled.

How to fix this error?

In the R3trans log you will find an SQL error number, which gives you
the cause of the error.
Environment variables not set (or incorrectly set) are the most
frequent reason for the error (TWO_TASK or ORACLE_SID/ORACLE_HOME).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TW169 - Connect is not possible: & ?

  The SAP error message TW169, which states "Connect is not possible: &," typically indicates that there is an issue with establishing a connection to a system or service. This error can occur in various contexts, such as when trying to connect to a database, an application server, or a remote system.
  Possible Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Incorrect Configuration: The connection parameters (such as hostname, port, or service name) may be incorrectly configured in the SAP system.
  Service Unavailability: The target service or system may be down or not running.
  Firewall Restrictions: Firewalls or security settings may be blocking the connection.
  Authorization Issues: The user may not have the necessary permissions to establish the connection.
  SAP Gateway Issues: Problems with the SAP Gateway configuration or service may prevent connections.
  
  Solutions:
  
  
  Check Network Connectivity:
  
  Use tools like ping or traceroute to verify that the target system is reachable from