Sharing A Database - Authentication!?
Apr 17, 2007
I am writing a DB-driven application, using Visual Studio. I have a database that i want to be able to move from one computer to another, and still be able to access it. It's probably something simple, but I must be missing out something.
The problem is that if i choose windows authentication, then the DB cannot be used on another computer. I also had no luck when using SQL Authentication.
How can this be done? What form of authentication should be used and how, so that I can just copy my DB from one computer to another, then log into the DB using a username and password?
*Any* help would be greatly appreciated!
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Feb 7, 2007
Hi;
I have an ASP.NET application with a SQL Express database.Here is the connection string used on the web application:"Data Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|admindata.mdf;Integrated Security=True;User Instance=True" providerName="System.Data.SqlClient"
Now, i create a Windows application which will run on the server to perform some scheduled tasks, for the Windows application I used this connection string:"Data Source=.SQLEXPRESS;AttachDbFilename=D:WebSitesmywebsite.comwwwApp_Dataadmindata.mdf;Integrated Security=True;User Instance=True"The problem is, when the web site is running and using the database, the windows application can't connect to the database and i don't know where i'm doing wrong, if it's the web application connection string or, if it's the windows application connection string.
I hope someone had the same experience and can point me to a direction.
Thank you;Emerson Brito
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Sep 26, 2007
I am in the process of designing a web application for our application that will be available to the general public.Basically will be used to collect information for a case report. I need to know if there is a way from our internal database driven application to push certain data up to the website that the database may be behind a firewall so I cannot make a direct connection to the external database. I thought I heard about some sort of data sharing protocol. I then will be storing the users entered data in the website database and pulling it from the internal application. So basically I need a secure way of sending and receiving data between a server/client app on a LAN system to the Web site database that could be hosted outside the LAN.
I hope this made sense.
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Oct 17, 2007
Hi,I have some database files (.MDF, .LDF,...) on the server. When I tryto delete them, the warning "Cannot delete file: There has been asharing violation. The source or destination file may be in use."appears.Since I am new to the environment I don't know where the files comefrom and where they might be used.Can anybody tell me what to do to delete those files?Thank you.
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Sep 19, 2007
simple question:
I have create a web site in visual studio with form user authentication. Thats create a mdf database in this path:
c:inetpubwwwrootwebsiteapp_dataaspnetdb.mdf
thats use Sql server
i would like to access this database with c# form application on a network with multi-user.
if i change the drive letter of the path above to f: (mapped drive) or \serverc, i got this message
System.Data.SqlClient.SqlException: The file "h:InetpubwwwrootwebsiteApp_DataASPNETDB.MDF" is on a network path that is not supported for database files.
An attempt to attach an auto-named database for file h:InetpubwwwrootwebsiteApp_DataASPNETDB.MDF failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.
i read that sql server did not support database sharing with mapped drive or unc share.
So how can i share website database with c# application???
Note: of course if i develop the website and the application on the same machine its work. I want this application run on several work station accessing all the same mdf database with his web user member.
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Mar 30, 2007
I would like to know if it is possible to have different applications on separate report servers sharing one report server database. If so are there possible issues or ptfalls to this type of architecture?
Thanks,
thecoleman
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Aug 22, 2007
I folks.I Have installed sql server 2005 express and choosed windowsauthentication on instalation, but i make a mistake and now i needmixed authentication, how can i modify this whithout uninstall andinstall again the application?thanks for the help.
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May 11, 2007
How to give authentication for Send Mail Task component?
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Apr 27, 2007
Assuming that I have a table [users] in a MSSQL 2005 database. the table has two columns. [userId] and [password].
I have an aspx with C# page with two textboxes and a button.
I want to let the user login or send him an error message if the password or the username does not match from the table in database.
I always made this possible through the template database from administrating the website. but never tried to do it as simple as that. I'm lost here!
How can I do 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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Dec 30, 2007
I have a website written in asp.net and the current DATABASE logins do not use windows authenticaton. They are for online use only with a username and password. I'm trying to run my program locally on my machine and access the database locally. This is very frustrating. I'm able to connect to my database, but I can't login to it. Here's my connection string from ym webconfig file:
<add name="sqlConnectionString" providerName="System.Data.SqlClient" connectionString="Connect Timeout=8; Initial Catalog=linkexchanger; Data Source=SCOTSQLEXPRESS; "/>
I have the MSSQL engine running and I have connected with the SERVER. My database is in my directory tree of Microsoft SQL Management Studio Express. The server is SCOTSQLEXPRESSI have attempted to add a login to my sql database by right clicking on the security folder to create a new login. My understanding is that under windows, I don't need a uid and pwd in my connection string . Thus I tried removing all of this just as you see above, and I get an error message every single time I try to create a login with windows authentication.
Can someone please explain how I make this work?
Thank you.
Scot
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Aug 24, 2015
When I try to setup mirror on a SQLserver dbase using windows Authenticated login I get error:-
Login failed for user 'SERVERBAdministrator'. (Microsoft SQL Server , Error: 4060).The login connect string however on selection of SERVERB from SERVERA has a greyed out option for using Windows Authenticated login which clearly shows Username: SERVERAAdministrator.It is odd that the error coming back is showing SERVERBAdministrator on the rejection. (somehow the machines got swapped over in the authentication) The strange thing is if you use the SQLserver studio on SERVERA to connect to SERVERB using the object browser and Windows authenticated login it all works fine without errors. clearly the Mirror software is using some other means/privs of login to establish the connection.
The two machines SERVERA and SERVERB are in the same Domain (DOM1) but they are not using a domain user account.They are using Administrator user on both independent machines. The SQLSERVER install specified both Windows and sqlserver logins. The mirror is to use Windows authenticated login.Is there some login priv we are missing The sqlserver security has allowed this type of login......
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Dec 25, 2005
I installed VS2005 on my laptop at the office and of course, got the default instance of SQLEXPRESS. When I take my laptop home and log in (I use my NETWORKlogin login everywhere), I can't authenticate to use the database -- it doesn't like my login unless I'm physically at my office.
So, thinking I'm clever, I changed my SQLEXPRESS instance to use 'SQL Server and Windows Authentication mode' and tried to use the 'sa' login in my connection string. Login failed for 'sa' and since I had never set a password (yes, I tried using a blank) I executed the following query on my db:
exec sp_password @new='WHATEVERPASSWORD', @loginame = 'sa'
The query works (?) but it my connection string doesn't and I'm still unable to use the management tool when not on the original network.
So, I thought I'd add a new, super secret special user, but alas, that has completely escaped me. That frightens me a bit because I'd really like to be able to deploy my database to my web host and trust the my connection strings will work.
So, here are my questions:
1. Can I set up my instance so that I don't have to be on the network on which I installed it in order for it to recognize me (since it's self contained on my machine)? If so, how?
2. How do I create new SQL users?
3. Has the connection string changed significantly, and consequently, am I missing something fundamental in my attempts to connect? If someone could toss out a working SQL Server Express 2005 connection string that doesn't use Windows authentication, that would be really appreciated.
Here's some info from my box, if it helps.
Microsoft SQL Server Management Studio Express 9.00.1399.00
Microsoft Data Access Components (MDAC) 2000.085.1117.00 (xpsp_sp2_rtm.040803-2158)
Microsoft MSXML 2.6 3.0 4.0 5.0 6.0
Microsoft Internet Explorer 6.0.2900.2180
Microsoft .NET Framework 2.0.50727.42
Operating System 5.1.2600
Thanks for any help out there.
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Sep 17, 2004
Hey guys,
I have a quick question about SQL 2000 server data sharing.
I am currently using SQL 2000 Server Enterprise and I need to do synchronous data sharing with flat files. I have an ODBC connection to the files. I was able to easily share this data by using linking in Microsoft Access, however, for the life of me I cannot figure out how to do the same in SQL. We are in the process of converting legacy code. The old code will of course be communicating with the flat files and the new code will be talking to SQL server. So it is vital that the 2 access methods are both pulling the same data. Does anyone have any ideas???
Help would be greatly appreciated
Thanks
Dax
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Jan 21, 2008
hello sir
i have sql sever 2000 installed on my PC which i would like to share on network.
when i am trying to create ODBC connection from other pcs on network i am getting error -- specified sql server not found.
pls help me
gayatri
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Jul 11, 2006
Can you use SQL Express remotely instead of locally.
I have been told that I might be able to use SQL Express as my network server for sharing files. Is this possible, or do I need a different version of SQL to do this?
I have been reading the VBE forums and from what I gathered was that SQL Express is only for a local table only, is this true?
If not, what is the work around, and how do I go to another pc to find out if it is sharable?
I would hate to get several months in my app design and learn that I was headed in the wrong direction.
Thanks
David
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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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May 12, 2006
Hi all,
My work is using a shared application
which accesses a MSSQL 2000 database. To access the application, the
folder on the Windows 2003 Server is shared and users can access the
folder through a shared drive.
For the application to access the
database, it uses an ODBC connection to the MSSQL server which
originally used the SA password.
We have recently switched to using
Windows Integrated Authentication because we believe it offers a
higher level of security. However the only way in which we have been
able to enable this is to add the windows users to the SQL server.
The problem with this is that the
application sets permissions for individual users on what records
they can see within the database. We have found that by adding the
windows users to the SQL Server, they can bypass the permissions the
set by the application by simply using any application that can use
an ODBC connection, such as Enterprise Manager, and see all the
database.
One way around this would be to set up
domains of users with access privileges to the tables which reflect
the permissions set by the application, and configuring a view of the
data so they may only see the records that they have permissions to.
However to do this would require a high administrative cost to ensure
that changes made in the application are reflected in the privileges
of the SQL server.
Instead, is there a way the SQL server
can authenticate that the ODBC connection is coming from the correct
application using Windows Integrated Authentication?
This would allow the applcation to
determine security, and stop users from connecting to the SQL server
using other applications.
Alternatively, can the SQL server,
using Windows Integrated Authentication, also ask the application to
supply a username and password?
Any help with this matter would be
greatly appreciated.
Thanks!
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Oct 22, 2014
We have a bunch of SQL 2012 databases which use SQl Server authentication (essentially local dev instances). Is it possible to take a backup of one of these database and then push them onto a (central) server which uses Integrated security (based on active directory authentication) using a script to change and map the authentication model in the process?
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Apr 13, 2007
I have made a small asp.net project which uses a local database file as a part of the project. The project is running fine om my local machine, but when I upload it to the remote server, the login fails for the server.
I suspect this is can be solved by using sqlserver authentication. But I have now spent a lot of time trying to configure the database file to use this authentication mode. As I see it there are three possible solutions to the problem.
use management studio express to configure the local mdf file (Ecxept that I cant find out how to connect to the mdf-file) and from here change the authentication method to sqlserver authentication.
use Visual Web developer to change the authentication method (but how???)
make the windows authentication work on the server (this would probably require that mannamgement studio express connects to the remote database. (Same problem as no 1)
Help will be higly appreciated.
Bjarke
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May 22, 2006
I have created a database now I am setting login details for that user. I am using slq server authentication and entering a password of recommended length.
I enter my details in my webconfig file and I get -couldnot connect to database specified in connection string for sql data provider.
when I check the login properties the password has changed it appears to be the password for NT Authoritysystem, ie same length, what it is Idont know.
What am I missing?
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May 8, 2006
Hi all,
I have created a package to copy 10 tables from a database to another one. I have created a datasource with SQL Authentication mode. And it couldn't run until I changed the datasource connection to Windows Authentication mode. How could it be like that, it's just the authentication mode?
Is there anyone have the right answer for this situation?
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Feb 6, 2004
How can I share stored procedures so I can call them form different databases ?
Basically, all databases have identical table names and structure but containing different data and I don't want to replicate all stored procedures on every database. There are too many and will also be very unpractical to maintain the code.
Thanks,
Moshe
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Jan 2, 2006
Hi :)
I would like to know if it is possible to link two databases together
(in my case ASPNETDB, and another mdf database) so that I can run
queries on those shared tables. For example, I would like to use the
uniqueidentifiers from the ASPNETDB tables in my own tables.
Thank you!
(I do use the latest version of Visual Web Developer).
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Jul 20, 2005
Hi:I'm trying to setup a MS Cluster but I don't know if it is feasible toconfigure it in the way I think.I have two machines with win2k server and MSSQL-2000 one of them iscurrently performing as the production database and the other one isthe backup. The secondary one is keeping updated via the "LogShipping" technic.We almost covered all the other possible failures of the othercomponents (ie: network, power, application servers, etc), the data ismaintaned in a raid which is ok but we want to cover also thepossibility of that failure too (yes, you can call us paranoids!! ).The thing is we want to create a cluster that do not share the data,but each machine of the cluster have thei own set of the same data.My intention is to configure the cluster to detect a failure of onemachine and initiate the failover to the remaing one using theappropiate scripts related to the promotion of a secondary serverkeeped updateusing "log shipping".Have anyone some experience with that kind of solution ??Thanks in advanceLeonardo
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Oct 30, 2007
Hi,
Can we share and schedule whole report folder(not just one report) by using management studio?
Thanks
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Sep 27, 2006
Hi guys,I've got two apps that are going to have pretty much the same users and i wanted them to have the same ASPNET.MDF user database. Is it possible to store the ASPNET.MDF in a different location and then have the two apps access it from there or alternatively have it in the App_Data folder of one of the apps and then have the second app access it from there?Thanx
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Jul 14, 1998
Does 7.0 allow multiple databases to share a data file/log file?
Will a large data device file shared by 10-25 databases present any problems?
Thanks
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Nov 15, 1999
Would someone please tell my how to share the same NT Login on a Publisher and a Subscriber Server. For example, one of
the requirements for Replication is that the Publication Server and
Subscription Servers should share the same SQL Executive account. I tried
doing this in Control Panel, Services Applet, Startup, and This Account Box. The Subscribing Server is not allowing me to map the login of the Publishing Server. I also tried within NT User Manager for Domains. I am not able to figure this out. I am trying to get Replication to work within a Workgroup on two NT 4.0 Servers SP3, with SQL Server 6.5 SP5a.
Thanks, Kevin
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Sep 27, 2005
Hello -- Please excuse my extreme newbieness -- trying to get up to speed fast on SQL Server Express for work. I've been able to set up the software, create a database, and access it with no problems on my local computer, but I need to make the database available to other computers in my workgroup. I followed instructions -- enabled TCP/IP and Named Pipes and turned on SQL Server Browser, and I was actually able to manipulate one system database (the "master" database) from another computer but not any other databases, not even the other system databases. I can connect to any of the databases with the SQLCMD commands, but if I try to do any SELECT commands (other than in "master") I get an error: "SELECT permission denied on object '[MyTable]', database '[MyDatabase]', schema 'dbo'". I was only able to get into "master" after adding "guest" as a user, but adding this user to the other databases has no effect. One interesting thing: When I used the sp_table_privileges command on each database, all but "master" showed all privileges being granted to and from "dbo", but "master" didn't show anything being granted to or from anybody. Does anyone know what could be going on here? Am I missing something obvious? Thanks for any and all help!
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Sep 26, 2007
I'm looking for some advice on how to manage reports that use the same query in their datasets. I have multiple reports that use several datasets that are the same. If I need to make a change to one dataset, I need to remember to update the other datasets. Of course I don't always remember to do that!
Is there a way to create a dataset in a single location and then share it? I was thinking of using a View but I don't think it'll accept the parameters.
I've been cutting & pasting the entire query as I make change but I'm afraid it'll mess that up or forget to update a dataset.
How do you do it?
Any suggestions you have would be helpful.
Rob
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May 31, 2007
I have read a number of threads in this forum concerning SSIS packages and Protection Level. I regret to say that I did not manage to find one that covers the problem I am experiencing.
I have saved a package that contains a SQL Server Authentication login and password. In Properties for the Package I have set
ProtectionLevel = EncryptSensitiveWithPassword
I then save my Package and use F5 to run it in Visual Studio 2005 Team Edition. It runs just fine.
I then walk over to a co-worker's desk, have him "Get Latest Version" in Source Control Explorer, and then have him double-click on the SSIS Package. It indicates that he must enter the password, which we do, and then it begins validation of the package. By changing to EncryptSensitiveWithPassword (instead of EncryptSensitiveWithUserKey) many of the earlier error messages went away.
We still get one fatal error, though, which prevents him from pressing F5 to run the package on his PC. The error message is one reported in some other threads in this forum:
Error loading PackageName(C2097).dtsx: Failed to decrypt protected XML node "DTSassword" with error 0x8009000B "Key not valid for use in specified state.". You may not be authorized to access this information. This error occurs when there is a cryptographic error. Verify that the correct key is available.
Naturally we are running this on a computer different from the one on which the package was created/last-saved, and running with a different Windows user.
The package is a fairly simple one: it merely copies a few dozen tables from Access to SQL Server 2005 on a central server.
Might the error message be related to the Access connection? (He has the same rights to the Access database that I do, but those are based on Windows Authentication -- which makes me wonder if that might be the problem. The Access database is located on a central server, and the access rights are controlled through User Groups in the Windows File System.)
I would like for others to be able to run this and other SSIS packages I have developed.
Ultimately we would like to store completed SSIS packages in the File System (rather than in SQL Server 2005), and allow anyone in our team, who knows the password(s) for the packages, to run them without difficulty.
Is this possible?
Dan
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