Question

Sybase connection error in Citrix

Asked by: TornadoV

Existing Visual Basic 6 application uses ODBC connection (Sybase ASE ODBC driver) to connect to Sybase 12.5 database.  We are trying to replace it with dsn-less connection.  Application is running on windows 2000 terminal servers, users connect to it using Citrix.  We develop applications on local win 2000 desktops, and then roll them out to Citrix environment.  Here is the problem, application works fine on local machines, as soon as we run it in Citrix we get the following error:

-2147467259 - [Native Error code: 4002]
[DataDirect ADO Sybase Provider] Login failed.

Here is the connection string from Visual Basic 6 application:

strConn = "Provider=Sybase.ASEOLEDBProvider;Srvr=mySvr,2025;Catalog=myDb;User Id=myId;Password=myPwd"
cn.Open strConn

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Asked On
2004-12-02 at 09:31:49ID21227945
Tags

sybase

,

error

,

4002

Topic

Sybase Database

Participating Experts
2
Points
250
Comments
6

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Answers

 

by: leonstrykerPosted on 2004-12-02 at 13:32:26ID: 12730536

Is the existing aplication, which uses a dsn connection, working from Citrix?

Leon

 

by: Joe_WoodhousePosted on 2004-12-02 at 15:39:22ID: 12731536

Is "mySvr" the name of your Sybase ASE, or the host it runs on, or both?

I'm asking because I'm not sure which that connection parameter is supposed to refer to. I'm guessing the host name, in which case that might suggest something to check.

If you can enable an SQL Trace on that connection, it would also be useful to see what the real error from Sybase (if any) is, or whether it's failing at some other point. (That isn't an ASE error you're reporting, so either we never made it to ASE, or the ADO layer has wrapped the real error in something else.)

 

by: TornadoVPosted on 2004-12-02 at 18:51:18ID: 12732549

Leon - yes, existing application is using ODBC to connect and it is working fine.

Joe Woodhouse - mySvr is the name of the server that is used in ODBC, server port is 2025.

 

by: TornadoVPosted on 2004-12-02 at 19:00:47ID: 12732593

Mention must be made that there is aseisql (http://users.i.com.ua/~ldu/ase/aseisql.htm) utility running in Citrix, and I'm connecting to mySvr without any issues.

 

by: Joe_WoodhousePosted on 2004-12-02 at 20:08:09ID: 12733010

Try:

strConn = "Provider=Sybase.ASEOLEDBProvider;SVRV=mySvr,2025;DB=myDb;UID Id=myId;Password=myPwd"

There's a solved case with Sybase that specifies that's the correct connection string for OLE DB v12.5.

If that doesn't work, check that your OLE driver is version 2.5, and that the Sybase 12.5 client was correctly installed in the Citrix environment...

I note also there are a number of known bugs in the OLDEB provider that shipped with Sybase Open Client 12.5 - the latest patch for Sybase SDK (Software Development Kit, ie Open Client) 12.5.1 or 12.5.2 fixes these.

Good luck!

Joe

 

by: TornadoVPosted on 2004-12-15 at 12:34:06ID: 12834196

Joe,

Thanks for your help, nothing is working though, most likely the problem will go away after the latest patch is installed.  Unfortunately for us we have to wait until March untill there will be any changes done to our Citrix environment.

You get all the points for trying.

Alex.

20120131-EE-VQP-002

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