How To Fix 0Q053 - Unexpected return code &1 while setting connection

0Q053 - Overview

• Message type: E = Error

• Message class: 0Q - Microsoft SQL Server Porting

• Message number: 053

• Message text: Unexpected return code &1 while setting connection

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 0Q053 - Unexpected return code &1 while setting connection ?

  The SAP error message 0Q053 with the description "Unexpected return code &1 while setting connection" typically indicates an issue with the connection to a database or an external system. This error can occur in various contexts, such as when trying to connect to a database, a web service, or another SAP system.
  Causes:
  
  Network Issues: There may be network connectivity problems between the SAP system and the target system (e.g., database or external service).
  Configuration Errors: Incorrect configuration settings in the SAP system or the target system can lead to connection failures.
  Authentication Problems: Issues with user credentials or permissions can prevent successful connections.
  Database Availability: The target database may be down or not reachable.
  Firewall Restrictions: Firewalls may be blocking the connection attempts.
  Resource Limitations: The target system may be experiencing resource limitations (e.g., too many connections).
  
  Solutions:
  
  Check Network Connectivity: Ensure that the SAP system can reach the target system. You can use tools like ping or