login failed for user microsoft sql server error 18456
login failed for user microsoft sql server error 18456
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\Administrators4. In the Server Roles tab, select "System Administrators"5. Click "OK" to exit6. Use the same method to add DescriptionThe following registry key:Hkey_local_machine\software\microsoft\mssqlserver\mssqlserver\loginmodeThe value determines what authentication mode SQL Server will take.1. Indicates the use
I. log on to the control panel-> services-> ms SQL Server-> Local SYSTEM account-> restart ms SQL ServerLog on to the query analyzer using Windows verification -- execute sp_password null, sa new password, 'sa'
2. "unable to connect to the server, user XXX
Authentication are SQL Server and Windows Authentication mode.
Then execute the following statement to enable the SA user and change the sa password
EXEC sp_password ' sa ', null, ' sa '
ALTER LOGIN SA ENABLE
Error executing:
Message 15116, Level 16, State 1, line 1th
Pas
Today, after I installed the database, I encountered a Problem When configuring the obdc of the data source. As follows:
The reason is that the database is not connected successfully. When performing the following link,
Unexpected situation
Solution:
1. Open the database-log on to the database as a Windows User
02. login name -- double-click SA (Open attributes)
03. General --
Tags: target property Database blank Invalid link Close cannot connect to shareA problem occurred:Title: Connecting to a server------------------------------Unable to connect to. \sqlexpress.------------------------------Additional Information:User ' sa ' login failed. (Microsoft S
Tags: database get set Password res SRC login failure Information sofA problem occurred:Title: Connecting to a server------------------------------Unable to connect to. \sqlexpress.------------------------------Additional Information:User ' sa ' login failed. (Microsoft
SQL2008 unable to connect to. \sqlexpress, user ' sa ' Login failed (Error 18456) graphic solutionA problem occurred:Title: Connecting to a server------------------------------Unable to connect to. \sqlexpress.--------------------
After the SharePoint project is transplanted to another test server (this server has a database for testing and the project wants to access this test database), runCodeMicrosoft SQL Server 2008-login failed for
Tags: open NIS sof log http. com. NET operation clickProblem Description:The local installed two instances, one is sqlexpress, can operate normally. But another common instance of development MSSQLSERVER but even Windows authentication is an error, the report of the mistake is very wonderful, how can not find administrator that, I log in to the computer to use this account.Detailed errors are as follows:Unable to connect to XXX.=======================
I have to write down some of the problems that I have encountered many times. The lessons have been delayed for a lot of time.
Problem description
Write a code to connect to the Database SQL Server in Java;
As follows:
Import java. SQL .*;
Public class tosql2000 {Public static void main (string [] SRG ){String drivername = "com.
One, SQL SERVER 2005 Landing 18456 Error Resolution
Many friends use MSSQL when this machine can log on SQL2005 SQL Server Management Studio normally.
However, remote cannot log on 1433,sql
1. Login with native default window authentication2, after the successful login, in the database-"security-" login-"right-click Properties-" select "New login name"3. In the login name, enter the user who will create the new
Tags: near server Right-click Technology cannot order blog mic cannot connect toReproduced in: http://thenear.blog.51cto.com/4686262/865544User ' sa ' Login failed (Error 18456) solution plot when we use SQL
Authentication are SQL Server and Windows Authentication mode.
Then execute the following statement to enable the SA user and change the sa password
EXEC sp_password ' sa ', null, ' sa '
ALTER LOGIN SA ENABLE
Error executing:
Message 15116, Level 16, State 1, line 1th
This error occurs when you connect to SQL Server in Windows Server 2003 using a trusted connection (that is, when the value of integrated security is set to true,In Windows XP, the ASP. NET running account is ASPnet, while in Windows Server 2003, the running account is chang
Recently want to study the SQL SERVER2012 Enterprise version of the database, heard that the function is very powerful. I installed on the Win7, the installation process is very smooth, I am using "Windows Authentication", everything OK, but when the SA user logged into the database, the following error occurs:Before loaded SQL7.0, SQL2000, SQL2005 version of, 20
server|sqlserver| Error | data | database
Unable to open the user default database , logon failed, which is one of the problems that SQL Server users are familiar with. When using Enterprise Manager, Query Analyzer, various kinds
client in the "General" item.In general, we also need to enable the named pipe and TCP/IP protocol.Click TCP/IP protocol and select "properties" to check the default connection port settings of the client. The port must be consistent with the server.
Click the "alias" tab and configure the alias for the server. The server alias is the name used for connection,Th
Server and Windows Authentication Mode" is set in "Server Authentication ",Run the following statement to enable the sa user and change the sa password.EXEC sp_password 'sa ', null, 'sa'Alter login sa ENABLEExecution error:Message 15116, level 16, state 1, 1st rowsPassword validity Verification
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