SQL Server Does Not Exist or Access Denied Message Error

Encountering the “SQL Server does not exist or access denied” error is a common issue experienced by SQL users. This error message is shown by MDAC (Microsoft Data Access Component) which is the indication of a connection problem, suggesting that you are unable to establish a connection to the computer where SQL Server is hosted.

In this article, we will not only explain the reasons behind the occurrence of this issue but also provide solutions to resolve it. Additionally, we will introduce an automated method that efficiently addresses this situation.

Also Read: Best Top 5 MDF Viewer Tool List

Causes of SQL Server Does Not Exist or Access Denied Error

There may be plenty of reasons why this error occurs in the SQL Server. However, the most common cause of this problem is corruption of data files in the SQL Server. Apart from this, let’s discuss other causes of this problem.

• SQL Server is running.
• SQL Server does not exist/is unavailable.
• The remote connection is disabled for SQL Instance.
• Port is not added to the firewall exception list.
• The IP address of the instance is blocked.

If you encounter this error due to any of these potential reasons, the following section will provide you with step-by-step solutions to address the issue effectively. By following these troubleshooting steps, you can resolve the problem and establish a successful connection to the SQL Server database.

Corruption of Data Files in SQL Server

Data file corruption in SQL Server, it is crucial to take immediate action without delay. Addressing the problem promptly can prevent it from escalating into a more severe and challenging issue. 

In order to solve the issue of SQL Server does not exist or access denied initially, you need to check if there are any corrupted files in the SQL Server database. For this, you can use the DBCC CHECKDB command. And if any damaged file is present in the SQL Server then, you use any of these commands to repair the files.

1. REPAIR_ALLOW_DATALOSS – It helps to repair the corrupted data detected by the DBCC command. Moreover, it works well but the risk of data loss is present.
2. REPAIR_REBUILD – This command helps to rebuild the corrupted pages by reconstructing the entire database from the ground up. However, this process can be time-consuming.
3. REPAIR_FAST –  Utilizing this command offers a faster repair method, but it only targets specific issues and does not address the entire database.

All of the above-mentioned commands are helpful in some way but it is not an accurate solution to this problem. Therefore, we are going to introduce an automated solution to overcome this problem in a very seamless manner.

Automated Solution to Repair SQL Server Corrupted Data Files

SQL Server Recovery Tool is an automated method to repair corrupted files in the SQL Server. This tool does not only repair the corrupted files but also repairs the table, triggers views, rules, etc in just a few steps.

 Additionally, there is no requirement for any technical knowledge, it offers a user-friendly interface that is used by everyone. Using this tool in an appropriate manner will definitely provide you the ride of the “SQL Server does not exist or access denied” error message.

Moreover, it ensures data security for you and provides many sophisticated features for ease of work. It is compatible with all the latest versions of Windows. Using this tool will definitely give the desired results for your problem.

Relevant Topic: What are the Causes of SQL Database Corruption and its Solution

SQL Server is Running

To begin, check whether your SQL Server is currently running by entering the “services.msc” command in the Run dialog box.

SQL Server Does Not Exist/Unavailable

To resolve the issue of “SQL Server does not exist or access denied”, you need to review the connection to verify that you are attempting to connect to the correct server and ensure that the server is accessible on the network.

Also Read: How to Repair SQL Database Without Hassles?

Remote Connection is Disabled or SQL Instances

To check whether the remote connection is enabled or not. You need to follow the steps listed below:

1. Firstly, open the SQL Server Management Studio.
2. Then, connect it to the SQL Server where it is installed.
3. Now, go to the SQL Server Instance property.
4. At last, check the allow remote connection to this server option.

By doing these steps you are not only able to check the remote connectivity but also enable it if it is disabled.

Port is Not Added to the Firewall Exception List

Sometimes, you may encounter a situation where the remote connection is enabled but the port is blocked by the administrators for security purposes.

Therefore, you need to check whether the exception is added to the firewall or not. For this, You need to follow the steps listed below to get rid of the “SQL Server does not exist or access denied” error message.

Step 1. Firstly, open the Control Panel and go to the Administrative Tool option.

Step 2. After that, select the Windows Firewall Advanced Security option.

Step 3. Now, click On the Inbound Rules and select the New Rule option.

Step 4. Then, select the Port option and click on the Next button.

Step 5. Enter “1433” in specific local ports and click on the Next button.

Step 6. Now, select the “Allow the connection” option.

Step 7. After that, check the domain, private, and public checkboxes and hit the Next button.

Step 8. At last, enter the Name and click on the Finish button.

The IP Address of the Instance is Blocked

To check whether this issue occurred by IP address blockage then, you need to ping the IP address on the command prompt via

Ping 100.10.10.10 –t

After that, if you get a response from the server then it means there is no issue with IP blockage but if not then you need to add the exception which is mentioned in the above section.

Also Read: How to Copy Table from One Database to Another Effectively

Final Words

In conclusion, users encounter various issues related to SQL Server, but they often lead to the same error message: “SQL server does not exist or access denied”.

By implementing the steps mentioned above, users can find effective solutions to resolve these problems as expected. Additionally, utilizing automated tools for handling corruption issues is a highly recommended approach. These tools efficiently repair corrupt data files in the database, providing a hassle-free experience.