Cannot Connect To SQL Express Remotely

May 18, 2005

I have SQL Express April CTP (from VS Beta 2) installed on machineA, but I cannot connect to it from machineB using the command "sqlcmd -S machineAsqlexpress -E".  This command works just fine from machineA.

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How To Remotely Connect To SQL Express Using SQL Authentification Across A LAN.

Sep 19, 2007

I hope helps some folks. I hope the links come through okay.
Keywords: Help, Network, KB910437, SQL Express, Network, TCP/IP, User,



SQL Server Express Networking

After a long period of trial and error I finally figured out how to connect to SQL Server Express 2005 using SQL Authentication across an XP network. It required several rather involved several steps to do this. I wrote this document just in case I forgot what I did so that I could repair or re-create my network login(s).

I will try to summarize the steps and include some HELP links to the web pages or my local €œSQL Books On Line€? pages that pointed me in the correct directions. The final piece to my puzzle was found here on the MSDN forums. Some links are better than others, while others may appear not to apply, so always check for links at the bottom of pages. Some were the best I could find after the fact, and not my original pages. Others were actually better, and may seem to be redundant. It€™s a work in progress.

I left out many routine or obvious steps like telling you when to click OK. If you need to be told when, you have no business even considering trying this. Good Luck!


PREREQUISITES:

1. You must have an instance of SQL Express installed and running.
2. You must have the SQL Browser service running.
3. You must have SQL Management Studio Express, SMSE, installed on your Server and to be able to log in as an administrator using Windows Authentification. Be familiar with Object Explorer under SMSE.
4. You must have SQL Server Surface Area Configuration properly installed.
5. You must have a functioning LAN, such as a Windows Workgroup.
6. You need a second computer on your LAN running SMSE Tools for testing.
7. You need a strong knowledge of how to use Control Panel.
8. You need to have KB910437 properly installed despite what this might say, although a neat diagnostic command is documented to verify your install.


SUMMARY:


You must enable SQL Networking
You must configure SQL TCP/IP for the server instance.
You must configure the server instance to use UDP Port 1433.
You must enable a UDP port in your Windows Firewall for that server instance.
Test the ability to remote log in using Windows Authentification using SMSE.
You must create a Windows User account for SQL.
You must create a SQL User login Auditing for that Windows User account.
You must grant Permissions to do things for that SQL login.
Now you can try to Log In across a network.


DETAILS:


SQL Networking must be setup by using the SQL Configuration Manager, SCM.

The default installation leaves networking disabled.
Select and use the TCP/IP protocol.
Re-Start the SQL Server service.
Using the SQL Server Surface Area Configuration Manager you must enable TCP/IP.

Select €œServices and Connections€?.
Choose your server instance and then select €œRemote Connections€?.
Choose €œLocal and Remote€?, then €œUsing TCP/IP Only€?.
Re-Start the SQL Server service.
The server needs a means to talk to the outside world. Use SCM.

Setup your IP address by right clicking on the TCP/IP protocol
Choose €œProperties€?.
On the €œProtocol€? tab leave the default settings, (Yes, 30000, Yes, No).
Select the €œIP Address€? tab.
Configure €œIP1€?, (Yes, Yes, enter your IP address, 0, blank).
Configure €œIP All. Leave the default alone.
Enter €œ1433€? on the second line.
Re-Start the SQL Server service.
The server needs to unlock the door to the outside world.

Open Control Panel and select Windows Firewall.
Click the €œExceptions€? tab and click on €œAdd Port€¦€?.
For €œName€?, enter the name of the server instance.
For €œPort Number€?, the same port as Step 3, 1433.
Test to see if Windows log in works before enabling SQL Authentification.

Using the SMSE, select the €œConnect€? icon in Object Explorer.
Accept all defaults and see if it works.
The server needs Windows user accounts setup.

Set up a generic user account for SQL remote users.
I suggest setting up an account for administrators to use.
I suggest setting up an account for general users to use.
SQL needs to add Windows users to SQL Logins.

Convert a windows user login to a SQL login manually or automatically.
The user needs to be assigned tasks that he is permitted to perform.

Grant the user limited access, or just enough.
Assign generic logins to groups, and then assign permissions to the groups.
Use the pre-defined groups. By assigning users to groups.
Test to see if SQL Authentification works locally, then remotely.

Using the SMSE, select the €œConnect€? icon in Object Explorer.

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Use VPN To Connect Remotely To SQL Express Server

Dec 15, 2006

Hello,

I'm using a Windows XP Home laptop to connect to a network of one of my customers. The administrator of the customer has given me a username and password for a VPN connection. I've got the VPN connection working and I can ping the SQL Express server.

This server is using Windows Authentication. For the users of my VB application we have added a group to the Active Directory and added this group as a user to the SQL Express Server. This works and the users can access the database from within the application. The SQL Express Server allows remote connections and the browser service is also running.

I would like to use the SQL management Studio Express on my laptop to access the remote SQL Express server and manage the database files. To do this I first connect to the remote LAN using VPN and add the address of the SQL EXpress server in the field 'Server name' of the 'Connect to server' screen. The authentication field is set to Windows Authentication. However the username is greyed out and states the login for the SQL Express server on my laptop: laptopusername. How can I correct this?

I don't know whether the username of the VPN connection is in the Active Directory. Should this be the case and should this user also be added to the login/user of the SQL Express server? And how do I get the Management Studio to connect to the remote server? Could XP Home be the bottleneck as it cannot logon to a domain?

Anyone any ideas?

















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What else do I need to do? Is there a simpleton's guide to completing this task?
 

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 Hi all, I'm having a little trouble connecting to a SQLExpress instance on a remote domain using SQL Server Management Studio Express.I've read that by default the program is set up locally only, so have edited the Surface Area Configuration.  It only gives me the option to edit 'Services and Connections' on the localhost, but have edited the Remote Connections to use TCP/IP and Named Pipes. In the Management Studio, I enter the server name, and login credentials.  On the Connection Properties tab I changed the network protocol to TCP/IP though everytime I attempt to connect I get the following error message:  Any help would be greatly appreciated. Rich 

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If I have SQL 2005 Standard installed on a server and I log on locally to that server. Can I connect to other machines through Management Studio-->Object Explorer that have SQLCE installed and manage the CE DB?



I think you can only connect to either local .sdf files or ones located on a device attached by USB to the local machine, but I have had some difficulty finding a definitive statement on that.



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Hi
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Event Type: Failure Audit
Event Source: MSSQL$SQLEXPRESS
Event Category: (4)
Event ID: 18456
Date: 11-Aug-07
Time: 07:24:50
User: LARRY-GATLINGuest
Computer: LARRY-GATLIN
Description:
Login failed for user 'LARRY-GATLINGuest'. [CLIENT: 192.168.1.102]
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 18 48 00 00 0e 00 00 00 .H......
0008: 18 00 00 00 4c 00 41 00 ....L.A.
0010: 52 00 52 00 59 00 2d 00 R.R.Y.-.
0018: 47 00 41 00 54 00 4c 00 G.A.T.L.
0020: 49 00 4e 00 5c 00 53 00 I.N..S.
0028: 51 00 4c 00 45 00 58 00 Q.L.E.X.
0030: 50 00 52 00 45 00 53 00 P.R.E.S.
0038: 53 00 00 00 07 00 00 00 S.......
0040: 6d 00 61 00 73 00 74 00 m.a.s.t.
0048: 65 00 72 00 00 00 e.r...


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Thanks
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Dear all,

I appologise that incarnations of this topic have been posted several times on this forum, however I cannot find a scenario that is the same as my own so I've resorted to starting a new thread.

I can successfully create and connect remotely to an HTTP EndPoint on my Windows 2003 machine using Integrated security, the administrator username and password via my static IP address.

I have read that Windows XP SP2 supports HTTP EndPoints, and it would be much more convenient for me to be able to create EndPoints in XP, and connect remotely.

I have created the endpoint like so...

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STATE = STARTED
AS HTTP(
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FOR SOAP (
WEBMETHOD 'StoredProcedure1'
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Could someone please tell me how I should go about accessing the HTTP EndPoint?

Just so it is clear, I am running a small LAN with no domain, just a workgroup. I need the client application to be able to connect via http regardless of which network it is on. I am using VS2005 and SQL Server 2005 Dev Ed.

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Apr 15, 2007

TITLE: Connect to Server
------------------------------

Cannot connect to iiiidddbbb.

------------------------------
ADDITIONAL INFORMATION:

An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)


------------------------------
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To be noted:

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Hi,

I am trying to remotely connect to a SQL 2005 Instance on a cluster. I see the following error:

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thanks.

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Someone please help me before I loose all of my hair :mad: !!!

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Hello all,



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Hi

I hope this is the right place for this question.

I'm using SQL 2005 Express on my local machine, I can connect and do all I need to.

But when I transfered my database to my remote server I cannot connect (I changed the connection string to suit).

<add name="ClubSiteDB" connectionString="Data Source=xx.xxx.xx.xx,1786;Network Library=DBMSSOCN;Initial Catalog=xxx;User ID=xxx;Password=xxx;" providerName="System.Data.SqlClient"/>

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Sep 8, 2007

I've been trying to configure remote connections to my sql server express to no avail.


First here are some constants to clear some things up:
- OS: Windows XP Pro
- SQL Express version: April CTP release
- Windows Firewall: disabled (to avoid any problems there)
- Network type: two computers connected a router.
- Router firewall: Enabled (I may be wrong but the router firewall only blocks external traffic, so I left it on.)


First, I configured my SQL server to allow remote connections in the SQL Surface Area Configuration. (Set it to both TCP/IP and named pipes)


Second, I enabled and configured sql server browser.


Third, I enabled TCP/IP and named pipes in the 'Protocols for SQL Express' option of the SQL Server Configuration Manager.


According to http://blogs.msdn.com/sqlexpress/archive/2005/05/05/415084.aspx
I have done everything I need to (including edit the registry to enable the SQL Server Browser service) and the error I continue to get is:


"An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)"


So I tinkered and had no success in messing with anything that would fix it. Although, ***when I browsed for network servers on different machine, the server instance DID show up in the list***. So I find it odd that it can find the instance when browsing, but fails to 'find' it when making a connection.


So I didn't stop there, I decided to try the non-sql server browser method of remotely connecting: specifying the IP.

I went back to the blog of instructions referenced above and re-did the steps, this time specifying a TCP Port for the server instance and then after specifying the port on the remote computer connection string, and attempting to connect, I get this error:

"An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: TCP Provider, error: 0 - A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond.) (Microsoft SQL Server, Error: 10060)"


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With Regards,

ADK

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</connectionStrings>

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is this a security problem ?

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Any help on this issue would be greatly appreciated.

Thanks.

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Remotely Register SQL Server 2005 Express In Enterprise Manager

Jul 27, 2006


I have SQL Server 2005 Express installed on a windows server 2003 standard edition. I have configured the windows firewall to allow exceptions for sqlservr.exe and sqlbrowser.exe. I have enabled remote and local connections using tcp/ip & Named Pipes through the Sql Server Surface Area Connection utility. I am able to telnet into the server with: telnet <server ip> <1433>.

Here is the strange part: I am able to connect to the Sql Server remotely from a development machine via Sql Server Management Studio Express, but I am unable to connect to the Sql Server from the same development machine by registering it in Sql Server Enterprise Manager...Is it possible to register SQL Express through Enterprise Manager?

When registering the SQL Express DB in Enterprise Manager I tried both just the (IP Address) of the server and the (IP AddressSQLExpress) as the server/host but I am getting the following errors from enterprise manager:

Just the (IP Address) as the server/host:
Invalid Connection.
ConnectionOpen( Invalid Instance())

(IP AddressSQLEXPRESS) as the server/host:
Sql Server does not exist or access denied. ConnectOpen(Connect()).

Any idea why I can€™t register/mount the instance remotely in Enterprise Manager
but I can in Sql Server Management Studio Express?

Thanks,

Greg

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SQL Database User Account Access Remotely Via SQL Management Studio Express

Aug 20, 2007

Hi, I hope you can help.I have configured a Windows 2003 web server and SQL 2005 Server (on same box) to successfully allow remote connections and to allow access via SQL Server Management Studio Express 2005.The problem I have is that I want to restrict access to the databases on the server via the Management Studio to specific databases e.g. 1 database user "sees" only 1 database.I can configure it so that the user's remote  access permissions do not allow access to other databases but they can still "see" the database listed in the Management Studio explorer.I can also configure it so that the users cannot see all the databases (by disabling View All Databases on SQL Server), but this means that they cannot not see their own database which they have permissions for.Is it impossible to have the desired behaviour of only displaying the database which the remote user accessing has permissions for and hiding all other databases?I have MSN'd,Googled and Yahoo'd this one to no avail :(Many thanksFergus 

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Cannot Connect W/ Java App But Can Connect W/ .Net App - SQL Server Express 2005

Dec 12, 2006

I'm having a problem connecting with a Java application but I CAN connect using my .Net application - the user name and password are the same for both (using the same database on SQL Server Express 2005).

The error I get is: "com.microsoft.sqlserver.jdbc.SQLServerException: Cannot open database "CORNERS" requested by the login. The login failed." An interesing note - I get the same message if the database is not running.

SQL Server Express 2005 is installed in mixed mode.

Here is my connection string in the .Net appplication: <add key="connectString" value="Server=(local);UID=sa;PWD=myPasswd;Database=CORNERS" />.

These are my values in my Java app web.xml -

<init-param>
<param-name>DBDriver</param-name>
<param-value>com.microsoft.sqlserver.jdbc.SQLServerDriver</param-value>
</init-param>
<init-param>
<param-name>DBURL</param-name> <param-value>jdbc:sqlserver://localhostsqlexpress:1055;databaseName=CORNERS</param-value>
</init-param>
<init-param>
<param-name>DBUser</param-name>
<param-value>sa</param-value>
</init-param>
<init-param>
<param-name>DBPwd</param-name>
<param-value>myPasswd</param-value>
</init-param>.

And yes, the port is 1055 - I checked to find it.

I am using Microsoft SQL Server 2005 JDBC Driver 1.0 (sqljdbc_1.0.809.102).

Does anyone have any idea what is wrong so that the login fails in the Java application but works in the .Net application?

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