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How to Fix DBNETLIB General Network Error in SSMS Data Export

Maira Mehtab Sep 28, 2026 869 views

Question details

Users encounter a DBNETLIB ConnectionRead general network error when attempting to export data using the OLE DB Provider for SQL Server.

Product: SQL Server Management Studio (SSMS)
Device & OS: not provided
Scenario: Setting up a data export in SSMS and selecting the OLE DB Provider for SQL Server as the connection method.
Observed behavior: The system throws a 'DBNETLIB ConnectionRead general network error' and halts the data export process.

Before you start

Ensure you have the correct SQL Server credentials, instance name, and proper network access permissions before troubleshooting the connection.

Solution 1Recommended

Verify SQL Server Connectivity and Driver Configuration

Check your network settings, server status, and provider compatibility to resolve the underlying connection failure.

The DBNETLIB error typically occurs when the client machine cannot properly communicate with the SQL Server over the network, or when an outdated OLE DB provider is being used.

Verify Server and Instance Names

In the SSMS connection window, double-check that the server name and SQL Server instance name are typed correctly without typos.

Check Network Connectivity and Firewall

Ensure your machine has network access to the server. Check your Windows Firewall or network hardware to confirm that the SQL Server port (default 1433) is open and not blocking traffic.

Verify SQL Server Browser Status

Open SQL Server Configuration Manager, locate 'SQL Server Services', and ensure that the 'SQL Server Browser' service is running. If it is stopped, right-click and select 'Start'.

Test with an Alternative Provider

In the data export wizard, try selecting a different supported provider, such as the SQL Server Native Client or Microsoft OLE DB Driver for SQL Server, to see if the connection succeeds.

Ensure Driver Compatibility

Verify that both the source and destination drivers are fully installed and compatible with your current version of SSMS.

Driver Updates: Microsoft recommends using the newer 'Microsoft OLE DB Driver for SQL Server' (MSOLEDBSQL) over the legacy 'OLE DB Provider for SQL Server' for better compatibility and security.

Solution 2

Seek Technical Support on Alternative Developer Communities

If official Microsoft Q&A forums are experiencing downtime or redirecting to 404 pages, utilize alternative platforms like Stack Overflow.

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Frequently Asked Questions

What does the DBNETLIB ConnectionRead error mean in SQL Server?

This error generally indicates a network-level disruption between the SQL Server and your client application (like SSMS). It is commonly caused by firewall blocks, incorrect server names, or inactive SQL Server Browser services.

Which provider should I use instead of the legacy OLE DB for SQL Server data export?

You can try using the 'SQL Server Native Client' or the 'Microsoft OLE DB Driver for SQL Server' (MSOLEDBSQL). These are modern, supported alternatives for exporting data reliably in SSMS.

Why did I get a 404 error when asking for SQL help on Microsoft Q&A?

Microsoft Q&A forums occasionally experience temporary server issues, maintenance, or URL redirection problems. When this happens, posting your question on Stack Overflow with the 'SQL Server' tag is a reliable alternative.

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