sql server error 11001 no such host is known

SQL Server Error : 11001 Details

SQL Server Error: 11001 Severity: 16 Event Logged or not: No Description: Non-NULL value successfully returned. Severity 16 Description: Indicates general errors that can be corrected by the user.

When the SQL Server cannot be discovered on the network, error 11001 occurs.

This occurs when the IP address is not reachable, or when the TCP port number is either not open or incorrect, or is blocked by a firewall.

What causes SQL server error 11001?

Let’s have a look at what’s causing this problem.

1. When the SQL Server client is unable to connect to the server, this error occurs. This can happen if the client is unable to … Read the rest