Software⏱️ 2 min read📅 2026-05-31

How to Fix error 5 Error – SQL Server Operating system error 5: "5(Access is denied.)"

SQL Server Operating system error 5: Access is denied.

Quick Answer: The issue is likely due to the SQL Server service not running or not having sufficient permissions to access the database file. Try running the SQL Server service as an administrator or checking the file path and permissions.

📋 Table of Contents

  1. 🛑 Root Causes of the Error
  2. ✅ Best Solutions to Fix It
  3. 🎯 Final Words

SQL Server Operating system error 5: "5(Access is denied.)" occurs when the SQL Server instance cannot access a file due to insufficient permissions or ownership issues.

🛑 Root Causes of the Error

  • Insufficient file permissions for the SQL Server service account.
  • Ownership issues with the database files, where the SQL Server instance is not the owner.

✅ Best Solutions to Fix It

Method 1: Granting Permissions

  1. Step 1: Open the SQL Server Management Studio and connect to the instance.
  2. Step 2: Right-click on the database file (AP.mdf) in the Object Explorer and select 'Tasks' > 'Database Tasks' > 'Database File'.
  3. Step 3: In the Database File dialog box, click on the 'Permissions' tab and add the SQL Server service account to the list of users with read and write permissions.

Method 2: Changing Ownership

  1. Step 1: Open the SQL Server Management Studio and connect to the instance.
  2. Step 2: Right-click on the database file (AP.mdf) in the Object Explorer and select 'Tasks' > 'Database Tasks' > 'Database File'.
  3. Step 3: In the Database File dialog box, click on the 'Properties' tab and change the ownership of the file to the SQL Server instance.

🎯 Final Words

By following these steps, you should be able to resolve the SQL Server Operating system error 5: "5(Access is denied.)" and successfully create your database.

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