GoDaddy SQL Server数据库连接失败：ASP.NET网站登录报错求助

Let’s work through the problems you’re having with your GoDaddy SQL Server setup and ASP.NET site connection, step by step:

First Fix: Critical Syntax Error in Your Connection String #

Looking at your connection string, there’s a missing semicolon after DBname that’s breaking the entire configuration. Right now, Integrated Security=False is being treated as part of your database name, which directly causes the Login failed for user error you’re seeing.

Here’s the corrected connection string:

"Data Source=DBserverID;Initial Catalog=DBname;Integrated Security=False; User ID=userID; Password=password; Connect Timeout=30; Encrypt=False; Packet Size=4096" providerName="System.Data.SqlClient"

Note the added semicolon after DBname—this properly separates the database name from the next connection parameter.

Why MyLittleAdmin Can’t Create Users/Roles #

GoDaddy’s shared SQL Server plans restrict server-level permissions (like creating server-wide roles or logins) by default. MyLittleAdmin is a limited tool in this environment—you won’t have access to server-level actions through it. Instead:

• Use GoDaddy’s native Database Manager in your hosting control panel to create database-scoped users. You can assign them specific permissions (like db_owner, db_datareader) directly to your DBname database here.
• Any users you create must be tied directly to your database, not the server itself—GoDaddy’s shared environments don’t allow server-wide logins for most entry-level plans.

Fixing Local Connection Failures #

If you can’t connect from your local machine either, two key issues are likely at play:

1. IP Whitelisting: GoDaddy blocks external IP addresses by default. Log into your GoDaddy hosting panel, navigate to your SQL Server settings, and add your local public IP address to the allowed access list.
2. Connection String Consistency: Use the same corrected connection string locally, and ensure your SQL client (like SSMS) uses the exact same User ID, Password, and Data Source values as your ASP.NET site.

Quick Additional Checks #

• Double-check that User ID matches the full username provided by GoDaddy—sometimes it’s formatted as [DBserverID]\[userID] or [DBname]\[userID] depending on your plan.
• Confirm your password doesn’t contain special characters that might need escaping in the connection string (though GoDaddy typically avoids assigning such passwords for database users).

内容的提问来源于stack exchange，提问作者Lion King