Resolving the 'Remote Table-Valued Function Calls Not Allowed' Issue: Comprehensive Guide and Best Practices

In this guide, you'll learn how to resolve the "Remote Table-Valued Function Calls Not Allowed" issue that you may encounter while working with SQL Server. We'll provide a step-by-step solution and discuss some best practices to ensure that your applications run smoothly.

Table of Contents

  1. Understanding the Issue
  2. Step-by-Step Solution
  3. Best Practices
  4. FAQ

Understanding the Issue

The "Remote Table-Valued Function Calls Not Allowed" error typically occurs when you're trying to access a table-valued function (TVF) from a remote server. SQL Server doesn't support the direct execution of remote TVFs, and attempting to do so will result in this error.

Here's an example of a query that would trigger this error:

SELECT * FROM RemoteServer.DatabaseName.dbo.TableValuedFunctionName()

To resolve this issue, you'll need to follow the steps outlined in the next section.

Step-by-Step Solution

Create a stored procedure on the remote server: Instead of directly calling the TVF, you can create a stored procedure on the remote server that returns the TVF's result set. Here's an example:

CREATE PROCEDURE dbo.StoredProcedureName
    SELECT * FROM dbo.TableValuedFunctionName()

Create a linked server on the local server: If you haven't already, create a linked server on your local server to connect to the remote server.

EXEC sp_addlinkedserver

Call the stored procedure on the local server: Now, you can use the OPENQUERY function to call the stored procedure from your local server:

SELECT * FROM OPENQUERY(RemoteServer, 'EXEC DatabaseName.dbo.StoredProcedureName');

By following these steps, you should be able to resolve the "Remote Table-Valued Function Calls Not Allowed" issue.

Best Practices

Use stored procedures: As demonstrated in the solution, using stored procedures can help you bypass the restrictions on remote TVF calls.

Optimize the TVF: Ensure that your TVF is optimized for performance, especially if it's retrieving a large amount of data. Consider using indexes, filtering data, or other performance-enhancing techniques.

Minimize remote calls: If possible, minimize the number of remote calls to the server hosting the TVF. This can help improve overall performance.

Use appropriate permissions: When accessing remote servers, ensure that the necessary permissions are granted to the appropriate users to prevent unauthorized access.

Keep your SQL Server up-to-date: Regularly update your SQL Server to ensure that you have the latest features and security patches.


1. What are table-valued functions?

Table-valued functions (TVFs) are user-defined functions that return a table data type. They can be used in a SELECT statement, just like a regular table or view.

2. What is the OPENQUERY function in SQL Server?

The OPENQUERY function is used to execute a pass-through query on a linked server. It returns the result set of the query, which can be used in a SELECT statement or other data manipulation operations. Learn more about OPENQUERY in the official SQL Server documentation.

3. Why are remote table-valued function calls not allowed in SQL Server?

This limitation is primarily due to performance considerations. Directly calling a remote TVF can negatively impact performance, especially when dealing with large amounts of data. To ensure better performance, SQL Server requires you to use an alternative method, such as the stored procedure solution outlined in this guide.

4. Can I use other functions, like scalar functions, in a remote query?

Yes, you can use scalar functions in a remote query, as they return a single value rather than a table. However, it's important to consider the performance implications of using remote scalar functions, especially if they're called frequently or involve complex calculations.

5. Can I use views instead of table-valued functions to resolve this issue?

Yes, you can use views as an alternative to TVFs, but keep in mind that views may not provide the same level of flexibility as TVFs. For instance, TVFs can accept parameters, whereas views cannot. If your use case allows for it, you can use a view and access it through a linked server without encountering the "Remote Table-Valued Function Calls Not Allowed" issue.

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