Error40; unable to open the connection to SQL Server, set TCP/IP and other issues that cannot be connected

Source: Internet
Author: User

SQL server2005 failed: error40; unable to open the connection to SQL Server, set TCP/IP and other issues that cannot be connected.

TCP/IP is set to allow.

The username and password are correct.

Sqlserver2005 built-in management tools can be connected.

Server address of the connection string:. (local) localhost 127.0.0.1 IP Address

It's useless.

Then open

Configuration tool> SQL Server Configuration Manager

Find the sqlserver Network Configuration

Right-click the TCP/IP protocol and choose Properties> ipall> port 1433.

As follows:

Related Article

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.