How Do I Fix the 'Could not find stored procedure 'dbo.aspnet_CheckSchemaVersion'' Error in ASP.NET?

Troubleshooting the "Could not find stored procedure 'dbo.aspnet_CheckSchemaVersion'" Error

The "Could not find stored procedure 'dbo.aspnet_CheckSchemaVersion'" error is encountered when the required stored procedures for user authentication and membership management are missing on the server. Typically, this issue arises when deploying an ASP.NET application to a new hosting environment or after making database changes.

Cause of the Error:

This error indicates that the ASP.NET membership system is trying to access a stored procedure that doesn't exist or is inaccessible on the target database. The aspnet_CheckSchemaVersion stored procedure is responsible for verifying the schema version of the membership database and ensuring compatibility with the application.

Solution:

To resolve this error, you need to execute the aspnet_regsql.exe utility against the target database to create the necessary tables and stored procedures for the membership system.

Steps:

1. Locate the aspnet_regsql.exe executable file on your local computer. It is typically found in %windir%Microsoft.NETFrameworkv4.0.30319.
2. Open a command prompt and navigate to the directory where aspnet_regsql.exe is located.
3. Run the following command to create the required objects in the database:

aspnet_regsql.exe -S DBServerName -U DBLogin -P DBPassword -A all -d DBName

Replace DBServerName with the name of the server hosting the database, DBLogin with the username, DBPassword with the password, and DBName with the name of the database where you want to create the objects.

Alternatively, you can run 'aspnet_regsql.exe' without any arguments to launch a wizard that will guide you through the process.

After executing the command, the required tables and stored procedures should be created successfully, resolving the "Could not find stored procedure 'dbo.aspnet_CheckSchemaVersion'" error.

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