Re: Cannot login SQL Server with 'sa'



Hi Kai,

This issue occurs because SQL Server Management Studio cannot correctly
report the error when the maximum number of concurrent connections has been
reached.

To work around this issue, you can use the sp_configure Transact-SQL
procedure to increase the maximum number of concurrent connections. You can
also manage the instance of SQL Server 2005 in other ways. For example, you
can use the sqlcmd utility.

To use sp_configure to increase the maximum number of concurrent
connections, follow these steps:
1. Click Start, click Run, type cmd, and then click OK.
2. At the command prompt, type the following command, and then press ENTER.
sqlcmd.exe -E -S servername
3. When you successfully connect to the instance of SQL Server 2005,
execute the following Transact-SQL statements at the SQL Server prompt.
sp_configure 'user connections', <NewNumber>
Go
Reconfigure
Go

4. Restart the SQL Server service for the change to take effect.

Thank you for your patience and cooperation. If you have any questions or
concerns, don't hesitate to let me know. We are always here to be of
assistance!


Sincerely yours,

Michael Cheng
Microsoft Online Partner Support

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