Connecting To SQL Server 2005 Remotely Via Windows Authentication
Oct 20, 2006
Hi
I have installed SQL Server 2005 onto a server and then on my client machine I have installed SQL Server 2005 and the Server Management Studio.
When installing it on the server I chose all the defaults so have not setup an sql username or password to connect as I thought I could use Windows.
I go to the Server Management and registered servers, create a new one and enter the ip address of the server and choose Windows Authentication. The following error keeps appearing though and I am not sure what settings/where to check:
Login failed for user ''. The user is not associated with a trusted SQL Server connection. (.Net SqlClient Data Provider)
I have checked and think port 1443 is open on the server, tcpip is enabled but when I choose Windows authentication I cannot enter a username or password as it is greyed out. It has completed the username but no password and these are not the correct ones to connect to the server - I wish to wish the same one I use for RDC.
Or should I try SQL Authentication and if so how would I set this up? Cannot see on the server in SQL Configuration where I could set this?
Hope someone who knows a lot more than me on this can help!
Thanks for your time - this has been driving me mad for days now and everything I print off the internet is not help so any feed back or more useful links to loo up would be great.
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Jun 8, 2007
Hi,
I have 2 machines using SQL Server 2005 developer edition. I am able to connect to each of them locally without any problem. But when I try using one SQL Server as server and another machine's SQL Server as client, I am not able to connect. I get the following error:
TITLE: Connect to Server
------------------------------
Cannot connect to ServerName.
------------------------------
ADDITIONAL INFORMATION:
A connection was successfully established with the server, but then an error occurred during the pre-login handshake. 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: Named Pipes Provider, error: 0 - No process is on the other end of the pipe.) (Microsoft SQL Server, Error: 233).
I have checked for "Allow Remote Connections" property turned on for TCP/IP.
I am using SQL Server Authetication mode.
I have checked for SQL Server Browser service to be running.
Firewall on the server is also allowing the sql server traffic to pass.
But still not able to connect. What could be the problem connecting the 2 machines.
Any help is appreciated.
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Sep 14, 2007
hi. im still a bit new in handling SQL and im having problems connecting to a remote sql server 2005. i have already configured the surface area to accept remote connections and am using the connection string:
SqlConnection lasConnection = new SqlConnection("user id = sa;" +
"password = 12345; server = Naomi;" +
"Trusted_Connection = yes;" +
"database = LAS;" +
"connection timeout=30");
and it returns an error of "System.Data.SqlClient.SqlException: Login failed for user 'NAOMIGuest' "
however, when i use the application on the same computer as the server, it has no problems connecting at all. could please point me to the right direction on how i should face this problem?
thanks in advance
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Mar 26, 2008
Hallo there,
I just upgraded from Windows XP Pro to Windows Vista Bussiness and tried to reinstall SQL Server 2005 Developers Edition. After the installation i downloaded (using microsoft windows update) and installed all the service packs for sql and vista available.
My problem is when i open sql server management studio and try to connect to my default instance using windows authentication and database engine, an 18456 error occurs.
I enabled all the protocols and all the ports
I disabled windows firewall and antivirus (eset nod32)
I installed all service packs available
I have also installed Visual Studio 2005 without installing sqlexpress
But nothing happens!
Please i am very desperate, any information will be gratefully accepted.
This is my installation Information
Code Snippet
Microsoft SQL Server Management Studio 9.00.3042.00
Microsoft Analysis Services Client Tools 2005.090.3042.00
Microsoft Data Access Components (MDAC) 6.0.6001.18000 (longhorn_rtm.080118-1840)
Microsoft MSXML 3.0 5.0 6.0
Microsoft Internet Explorer 7.0.6001.18000
Microsoft .NET Framework 2.0.50727.1434
Operating System 6.0.6001
Thank you in advance,
Patonios
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Jun 28, 2007
Is there a way to connect to database using Windows authentication as a different user than what you've logged in with to your desktop?
For example:
I log on to my desktop as mydomainme. I'm developing queries using Management Studio against a database (on another server) where mydomainme doesn't have access, but the admins have granted access to mydomainJobs1. I have the password for mydomainJobs1, and I'm hoping I can connect to the database using that account without having to log-off my local desktop as mydomainme and then re-login using mydomainJobs1.
The analogy in the file/share-permissions world would be using "net use" from a command prompt:
net use \SomeServer /User:mydomainJobs1 jobs1password
Anything similar for SSMS?
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Mar 20, 2007
Hi,
When trying to connect to a SQL Server 2005 Analysis Services instance through the Excel 2007 Add-In, the ability to choose a user name/password combination rather than Windows Authentication seems to be disabled. Is there a way to do this? Thank you!
Melissa Kenny
Harvard Medical School IT
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Apr 18, 2007
Hi there,I have installed MS SQL Server 2005 on my machine with windows authentication. But now I want to switch the authentication mode to SQL Authentication. I am unable to switch, I can’t find the proper way to do so here in 2005.Could any one help me in doing this?Thank you,-Ahsan
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Oct 12, 2007
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"/>
I have checked the connection string passsword etc, and all are correct.
I have tried SQL Server Management Studio, aspnet_regsql.exe etc and all give the following 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 - No such host is known.)or
System.Web.HttpException: Unable to connect to SQL Server database. ---> System.Data.SqlClient.SqlException: 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.)
I have used the surface config to enable TCP/IP and named pipes.
Any Ideas?
Thanks
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Aug 29, 2007
HI all,
I would like to ONLY allow using SQL Server authentication and restrict Windows Authentication. At the moment, i set the security to "SQL server and windows authentication". Now, even though i set the password for "sa", i can ignore the SQL Server authentication and just use Windows authentication to manipulate database objects???
can anybody give some suggestions to restrict windows authentication and allow sql server authentication?.
Thanks in Advance
Best Regards
Ihsan
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Nov 10, 2005
Microsoft recommends using Windows authentication instead of SQL Server authentication in SQL Server 2005 for improved security. What are the Microsoft best practices for implementing this? Will be helpful if someone also provides some links that talks about this....
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Jan 30, 2006
Can't get winmobile 5 to connect to my sql server 2005 (using vs2005). Here's the connect string:
"Data Source=tcp:XXXXXXdefault,1433;Database=YYYYYY;" _
& "Integrated Security=SSPI;"
This very same string, and variations of it, work in a vs2005 winforms app, but not a windows mobile 5. I'm (obviously) using system.data.sqlclient. MS documentation says it's supported on both platforms with no syntax changes. Any suggestions?
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Feb 17, 2007
Hello!I'm migrating an IIS/SQL-Server application from Windows NT4.0 and SQL-Server 2000 to Windows 2003 Server and SQL-Server 2005.My problem is that it is not possible to connect local (IIS and SQL-Server 2005 are runnng on the same node) using ODBC. Running theapplikation on a remote IIS (XPPro) all works fine. I can't see anydifferences in the ODBC-configuration.Any idea?Thanks
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Oct 22, 2007
I have a sql server 2005 remotely, need to connect from client using sql management studio. I am unable to connect from one of the client machine and able to connect from different machine.
The tcp/ip, named pipes and sql browser is enabled in server and windows firewall is off in client.
I am getting (provider: sql network interfaces, error 26 - error locating server/instance specified)
Please throw your suggestions.
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Oct 5, 2007
i have installed sql server 2005 standard on our server. i need to now connect to the server from a client machine within our network. do i need to install just the client tools? what are the other steps in connecting? im new to sql server, so thanks for the help.
andrew
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Apr 3, 2008
Hi All,
After I installed sql server 2005 64bit standard edition on Windows Server Enterprise 2008 64bit, I cannot connect to the sql instance using the sql management studio on the same machine!
I verified that:
service is running,
in surface area configuration: remote connections to local and remote are enabled, for TCP/IP and named pipes.
ran the command netstat -avn| findstr 49279 to make sure that the server is listening.
firewall is off, but this does not matter since I'm connecting locally to local instance
I'm using domain controller account to login to sql server / also tried the sa account.
what else can be wrong?
thanks.
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Dec 9, 2006
I'm new to MSSQL. At my work place, I'm using MSSQL and using SQL Query Analyzer to run queries and view all my database tables and structures.
Now, I can work remotely at home for the time being. So, how do I get SQL Query Analyzer and be able to connect remotely to my database at work?
I've downloaded SQL Server 2005 Express and it comes with SQL Server Management Studio, which looks similar to SQL Query Analyzer. The problem is though, how would I remotely connect to my database server at work? Is it possible to do this using SQL Server 2005 express?
One thing I was advised to do was configure the TCP/IP Port number from 1433 to 1435. However, I do not see an option to configure that nor do not know how to connect remotely (I do have the IP, User, and Pass).
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Jan 3, 2008
Hi-I have a program that I am developing on a laptop, then deploying it on a server.I have the prgram running passing a username and PW in the connection object, but like the idea of using windows authentication MUCH better.I just joined the domain, so I am domain/me for example.If I log into the server, and look at securities, logins and added domain/me to the logins.I then try and set up a sql connection via both visual studio, and sql server magt studio, and get the dreaded "Cannot generate SSPI context" error. Anyone else have this problem? SHOULD V.S. be using domain/me to connect? TIA dan
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Oct 23, 2007
I have a sql server 2005 remotely, need to connect from client using sql management studio. I am unable to connect from one of the client machine and able to connect from different machine.
The tcp/ip, named pipes and sql browser is enabled in (sscm)server and windows firewall is off in client.
I am getting (provider: sql network interfaces, error 26 - error locating server/instance specified)
Please throw your suggestions.
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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)"
I've done all I know how, read all the possible blogs I can, and nothing's come up. If anyone can shed some light on me, I'd pay you 1 billion pretend dollars. Any help would be appreciated. Thank you!
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Sep 26, 2006
Running a SQL 2005 Database under a Default instance. i.e. (SERVERNAME) and not (SERVERNAME/SQL2005)
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May 26, 2007
hello,
i am trying to connect to Analysis services server through another pc but i am unable to do so.
Using the following commands i manage to connect to analysis services server at my pc
Server.srv=new Server ();
srv.Connect('ip address or name');
but not to another pc. Are there any settings under sql server should i change ?
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Oct 16, 2006
Would anyone please help me out here. which of the 2 modes of authentication is better and why??
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Mar 12, 2008
For using different services of SQL SERVER 2005 which is better...
Windows Authentication or SQL Server Authentication?
what are the advantages and disadvantages of both?
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Jun 18, 2001
I had asked a question last week and I realized that I had phrased it in a misleading way. Within a lab environment at my company, we are experimenting w/ accessing remote SQL data files stored separately on another machine from the SQL server itself (whether it be another client or server).
The experiment is this: You have one client machine accessing a SQL server via Enterprise Manager. The datafiles that you are trying to access are stored on another machine that does not have SQL Server installed. This remote machine only has the datafiles.
Can one map a static path via UNC from the SQL server to the datafiles on the remote machine and then access these datafiles (as long as the user's account has the appropriate permissions to the remote machine)? To my understanding, within SQL server you can only access datafiles that are stored locally on the SQL server itself.
The other thing that I was wondering was if the type of user account had some significance in this situation. More than likely, a local user account would not be able to access the remote machine w/ the datafiles even if the SQL server could map an UNC path and retain it. A domainuser account might be able to do this though.
Any help that you could provide would be appreciated.
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Feb 1, 2008
Hi.
I wonder if it is possible to set forms authentication for report manager but leave report server "as it is". I need to authenticate users from external LDAP and can't use windows authentication for report manager, but I would also like to leave report server open for anonymous users. In that way authenticated administrators could create reports which anonymous users could read.
I tested the Security Extension Sample and got it working when I rewrote the authentication part with my own LDAP authentication.
If I have understood correctly, the report manager is just application inside report server so is it possible to use forms authentication with one application but still leave the report server with Windows authentication?
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May 11, 2007
How to give authentication for Send Mail Task component?
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Oct 21, 2006
I am new to the whole ASP .NET scene, so my knowledge is very limited, and if I’m not clear enough please let me know. I am reading a book published by APress about ASP .NET with C# and I am at the point where I get to begin working with data (fun!!). The problem is that I’m not able to connect to the SQL Server. I have Server 2003 and SQL Server 2005 running on a separate machine than the computer that I use for development – the server is named THESERVER, the SQL server is named THESQLSERVER, and the computer I use for development is my laptop named MYLAPTOP. So here’s my connection string (I put this in my web.config XML file):<add name="Pubs" connectionString="DataSource=THESERVERTHESQLSERVER; Initial Catalog=pubs;Integrated Securit=SSPI"/> Now here’s what my book reads: For Windows authentication to work, the currently logged-on Windows user must have the required authorization to access the SQL database. This is all it says about Windows authentication because the book assumes that I am running MS SQL Express off localhost. Questions: Does the book mean that I will have to add a user to my server for my laptop? If so, how do I log into this user using the connection string?What does it mean by “the current logged-on Windows user”? Is that referring to the user on my laptop, or a user on the server? I’ve been reading around trying to find more information on exactly how Windows authentication works, but I keep coming up dry. I know that much of this is probably trivial to a lot of you, which is why I am asking because it isn’t to me. Well, thanks in advance for any help that you can provide me.
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Apr 26, 2005
I have an asp.net page which accesses a sql server database (on another server).
I am trying to use impersonation to impersonate the domain user accessing the page and use the credentials to access the sql server using a windows login. I have windows authentication checked in IIS settings am using the following web.config:<configuration>
<system.web>
<authentication mode="Windows" /> <identity impersonate="true"/>
<authorization> <allow users="*" /> </authorization>
<customErrors mode="Off" />
</system.web>
</configuration>
I can connect fine when i open the page on the IIS server but from other machines, whilst logged in as the same domain user I get the error:
Login error failed for user ''.
Anybody know what the problem might be?
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Jul 20, 2004
Hello,
I'm writing some software for clients and the connection is done via de username passwd methode, not windows authentication. One of the salespeople is creating FUD now, talking about a "major security leak" because, if someone has the username / password, he can view the data in the mssql database. ( seems normal to me for a username/password combination - winNT or not - but this news can be shocking to the uninitiated)
Is there any paper on his comprehensionlevel that deals with this issue?
Or you've got an opinion on this?
Thanx for any pointers,
W13
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Sep 15, 2005
Hi,
We are changing our web application to use Windows Authentication instead of SQL Server Authentication.
Initially, we added the IUSR_MACHINENAME user to SQL Server. This works ok when SQL Server and IIS are both running on the same server.
However, this won't work if SQL Server and IIS are on different servers on the same domain.
After doing a lot of research on the internet, it seemed that the answer was to create a user on the domain and use that user in IIS as the anonymous user (and give that user the relevant rights on SQL Server).
However, I've seen other comments in articles on the internet saying "Running any web service as a domain user is ill-advised".
We are using ASP rather than ASP.NET. What is the correct (and most secure) way to go about this?
Best
Matt.
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Feb 24, 2007
Ours is distributed WinForms application. Application logon is using Windows integrated authentication. As a best practice I would like to use Windows authentication for SQL Server connection. This means that when the user logons on to the workstation, the user will gain access to the application and also to the SQL Server. But there is a requirement that the end user cannot directly login to the database. So if the user tries to access Sql server database through some client tools I shouldn't allow that. How can I achieve this?
Thanks
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Mar 25, 2004
Hello,
(Using win2k, sqlserver2k, framework 1.1)
I have an fairly data-heavy application that uses Windows authentication (Trusted connection/aspnet account) to connect to Sql Server. The site uses IIS basic authentication.
On the dev server everything works fine but when I move to the live server things get strange and it starts to crawl along. (Pages load OK but then it just crawls as it loads the datagrids etc. Sometimes it brings back incomplete/incorrect data )
BUT When I use Sql Authentication to connect to Sql Server and there is no problem at all!
Ok, there is something obviously wrong with the live server (which is identical setup to dev)but I dont know where to start.
Any ideas??
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May 15, 2006
Hi all,
I've got two applications which both have a database on my MS SQL 2000 server. The problem is, one application must use Windows Integrated Authentication (which it is currently using and cannot be changed) whilst the other application which I'm trying to configure must use a SQL password.
Since the server has already been configured to use Windows Integrated Authentication for the existing database and application, how do I configure the other database to use the SQL password?
Thanks.
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