How To Fix S1755 - No valid instance name

S1755 - Overview

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 755

• Message text: No valid instance name

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 S1755 - No valid instance name ?

  The SAP error message S1755 "No valid instance name" typically occurs in the context of SAP systems when there is an issue with the configuration or availability of an instance that is expected to be present. This error can arise in various scenarios, such as when trying to connect to a database, accessing a service, or during system configuration.
  Causes:
  
  Incorrect Instance Name: The instance name specified in the configuration might be incorrect or misspelled.
  Instance Not Running: The instance you are trying to connect to may not be running or may have crashed.
  Network Issues: There could be network connectivity issues preventing access to the instance.
  Configuration Errors: The configuration files (like tnsnames.ora for Oracle databases) may not be set up correctly.
  Authorization Issues: The user may not have the necessary permissions to access the instance.
  
  Solutions:
  
  Verify Instance Name: Check the instance name in your configuration settings to ensure it is correct.
  Check Instance Status: Use transaction