Cannot connect to (LocalDB)\MSSQLLocalDB.
A network-related or instance-specific error occurred while establishing a connection to SQL server. The server was not found or was not accessible. Verify that the instance name is correct and that the SQL server is configured to allow remote connections.(provider: SQL Network Interfaces, error: 50 - Local Database Runtime error occurred. Error occurred during LocalDB instance startup: SQL Server process failed to start.)( Microsoft SQL server)
Yesterday I was able to connect to the (LocalDB)\MSSQLLocalDB and was able to see all the databases in it in SQL server management studio. But today when I am trying to connect, am getting the above mentioned error.
How I was able to connect yesterday but why not now? Please help me.
The error message in the Windows log about the missing registry value suggests your localdb instance is corrupt. You can recreate the MSSQLLocalDB instance and registry entries by running these commands from a command prompt:
sqllocaldb delete MSSQLLocalDB
sqllocaldb create MSSQLLocalDB -s
Related
I am trying to create scheduled task for auto backup in SQL Server 2019 based on this article :
https://learn.microsoft.com/en-us/troubleshoot/sql/admin/schedule-automate-backup-database
As recommended in order to test if the auto backup is working, I have to run the batch file containing this command:
sqlcmd -S .\EXPRESS -E -Q "EXEC sp_BackupDatabases #backupLocation='c:\AutoBackup\', #backupType='F'"
I ran it in the command line to test if its working fine but I get the following error:
Sqlcmd: Error: Microsoft ODBC Driver 17 for SQL Server : MAX_PROVS: Error Locating Server/Instance Specified [xFFFFFFFF]. .
Sqlcmd: Error: Microsoft ODBC Driver 17 for SQL Server : Login timeout expired.
Sqlcmd: Error: Microsoft ODBC Driver 17 for SQL Server : A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online..
I installed Sql server ODBC driver for another issue that I faced before and also checked that remote connection is allowed as SSMS is working fine.
Any advice is appreciated.
Have you double checked that your SQL Express instance is actually named "EXPRESS"?
When you connected using SSMS, did you also used Windows Authentication?
Your command breaks down as follows:
This part defines the server/instance. IN this case on the local machine with a Named Instance of "EXPRESS"
sqlcmd -S .\EXPRESS
This part states that you want to use Windows Auth with the currently logged in user
-E
I recently install SQL server 2014 in my PC and I selected SQL authentication rather than Windows authentication after completion of installation when I tried to log in my server it shows this error even my server name and password was correct even though it shows this what to do now!!
following is the error message shows when I try to log in.....
TITLE: Connect to Server
Cannot connect to AADI_SQLSERVER.
ADDITIONAL INFORMATION:
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 53)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&EvtSrc=MSSQLServer&EvtID=53&LinkId=20476
The network path was not found
As the error states "network-related or instance-specific error" its related not being able to find the instance.
This maybe due wrong instance name, Check the spellings of the server that you are connecting to.
You may have installed a named instance like sqlexpress in that case the server name should be {YourServer}\Sqlexpress.
You can get your instance name by going to services, if its MSSQLSERVER you can connect with the machine name else you should provide the correct instance name.
Please refer the screenshot below.
If you are connecting to another machine check the network configuration of the instance by going to sql server configuration manager. If the status is disabled you can connect from outside.
If that also fails better check the firewall settings
I am having issues connected with SQL 2016 MSSQLLocalDb from my application. The system is a Server 2012 and I have just deployed my web application to it. I have installed SQLLocaldb 2016.
Running
sqllocaldb info
gave this response: The automatic instance MSSQLLocalDB was not created.
So I created the instance with the name MSSQLLocalDB.
But when I run the application I get this error:
Using:
Data Source=(localdb)\MSSQLLocalDB
A network-related or instance-specific error occurred while establishing a
connection to SQL Server. The server was not found or was not accessible.
Verify that the instance name is correct and that SQL Server is configured to
allow remote connections. (provider: SQL Network Interfaces, error: 50 - Local
Database Runtime error occurred. Cannot create an automatic instance. See the
Windows Application event log for error details.
)
Changing Data source to named pipe gives this error:
Data Source=np:\.\pipe\LOCALDB#7A55F963\tsql\query
A network-related or instance-specific error occurred while establishing
a connection to SQL Server. The server was not found or was not accessible.
Verify that the instance name is correct and that SQL Server is configured to
allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error
Locating Server/Instance Specified)
Hear is a screen shot of SQL Server Management Studio (un-able to connect as well)
Can someone please help?
I can't open configuration manager either, when I try I get this error.
Try browse: Server name -> Brose for more -> Database Engine.
It's acting like the instance name doesn't exist. The service is started too.
I hope someone else can shed some light. I installed a fresh instance that is named "SqlExpress2014". I ran the command:
reg.exe query "HKLM\Software\Microsoft\Microsoft SQL Server\Instance Names\SQL"
and that returns
SQLEXPRESS2014 REG_SZ MSSQL12.SQLEXPRESS2014
I have tried connecting to this instance name via SSMS (both with the "MSSQL12." prefix and without), yet the error given is:
Cannot connect to MSSQL12.SQLEXPRESS2014.
ADDITIONAL INFORMATION:
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server) (Microsoft SQL Server, Error: 53)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft%20SQL%20Server&EvtSrc=MSSQLServer&EvtID=53&LinkId=20476
The network path was not found
I have installed Sql Express 2012 version. I installed Local Db separately. i can see its installed when I click on "Installed Sql Server discovery report". However, I cannot connect to it using Sql Server Management Studio or Microsoft Visual Studio 2012 Professional Edition. I get the error:
"The attempt to attach to the database failed with the following
information: A network-related or instance-specific error occurred
while establishing a connection to SQL Server. The server was not
found or was not accessible. Verify that the instance name is correct
and that SQL Server is configured to allow remote connections.
(provider: SQL Network Interfaces, error: 50 - Local Database Runtime
error occurred. Cannot create an automatic instance. See the Windows
Application event log for error details."
In Windows Event viewer I see several of following errors with different regsistry keys each time:
"The DataDirectory registry value is missing in the LocalDb instance registry key:{-----}"
I checked in regsitry values for local db in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MicrosoftSQL Server Local DB and there's only one entry "Installed Version".
I have gone through several posts which state solution for the above error and have done almost everything they have suggested but still can't get localDb to work.
I'd appreciate any help that one can provide in order to solve this issue.
UPDATE:
Using Command Line Interface I verified that localDb v11.0 is installed. However, the command sqlLocalDb info v11.0 gives error:"The automatic instance "v11.0" is not created. If I try to create one it gives another error:"Unexpected error occured inside a localDb instance API method call."
You may try to use SQL Server Authentication. Also make sure that your SQL service is running.
Also you may try to delete the following registry:
HKEY_USERS\.DEFAULT\Software\Microsoft\Microsoft SQL Server\UserInstances\[GUID_FROM_EVENT_LOG]
You may also check Getting Started with SQL Server 2012 Express LocalDB
You need to start the SQL service for the local system.
Start Button
Write "SQL Server Configuration Manager" and click on it
After opening "SQL Server Configuration Manager" you need to start the local system services which are may be stopped in it that why your local Database not connected.
After starting local services you just connect the local system database. It should connected successfully.