Sql server connection problem in windows 7

On the server that hosts the SQL Server instance, verify the instance name. If the instance is stopped, right-click the instance and then click Start. The server instance starts, and the indicator becomes a green arrow. If it isn't running, start it. SQL Server Browser service isn't required for default instances.

Before troubleshooting a connection problem from another computer, first test your ability to connect from a client application installed locally. A local connection avoids issues with networks and firewalls.

If you aren't able to install Management Studio, you can test the connection using the sqlcmd. For information about sqlcmd. In the Authentication box, select Windows Authentication. In the Server name box, type one of the following connection types:. When you connect to a SQL Server instance from a client application on the same computer, the shared memory protocol is used.

Shared memory is a type of local named pipe, so sometimes errors regarding pipes are encountered. If you receive an error at this point, you need have to resolve it before proceeding. There are many possible things that could be a problem. Your login might not be authorized to connect.

Your default database might be missing. Some error messages passed to the client intentionally don't give enough information to troubleshoot the problem. This is a security feature to avoid providing an attacker with information. To view the complete information about the error, look in the SQL Server error log.

The details are provided there. You can see other log failure states in this blog post. Otherwise, you can view the error log with the Windows Notepad program. The default location varies with your version and can be changed during setup. The default location for SQL Server If you can connect using shared memory, test connecting using TCP. You can force a TCP connection by specifying tcp: before the name.

For example:. The most likely issue is that TCP isn't enabled. If your goal is to connect with an account other than an administrator account, once you can connect as an administrator, try the connection again using the Windows Authentication login or the SQL Server Authentication login that the client application is using. I spent a few hours trying to solve this but so far I have only found two workarounds: "runas.

Both options are not ideal also not all servers have Named Pipes enabled. Improve this question. Community Bot 1. Add a comment. Active Oldest Votes. Improve this answer. GregD GregD 8, 1 1 gold badge 22 22 silver badges 35 35 bronze badges.

Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. Unfortunately, the new identity does not have a user profile, and as you can see from the error, this causes the SqlClient data stack to fail. Hi Anonymous - send me mail with more details on what you are running into and I'll try to help you out.

Hi, Is there a more permanent solution to this issue in the pipeline? Web applications are often set up to run under 'service accounts' rather than user accounts that have 'login as service, and deny user login' policies applied for security and might not have a profile.