Question

Unable to register msadox.dll on Windows Vista machine

Asked by: monacoassociates

We have created an application in VB.net in a Windows XP environment.  We are now testing the application on Window's Vista machines.  When we install the application, we get a message that msadox.dll will not register.  Looking at the system32 folder, it appears to be present, but when we try to register it directly, using regsvr32, the error message indicates that it cannot find the file.  We have also tried installing it on a 64-bit Vista machine.  The file appears in the sysWOW64 folder, but again when we attempt to register it by hand, the error message indicates it cannot be found.  Can anyone suggest a solution?

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Asked On
2009-07-23 at 14:34:05ID24596211
Tags

Vista

,

msadox.dll

,

registry

Topics

Microsoft Visual Basic.Net

,

.Net Application Servers

,

Windows Vista

Participating Experts
3
Points
100
Comments
8

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Answers

 

by: newyuppiePosted on 2009-07-23 at 15:37:27ID: 24930700

I think those files already come installed and registered in Vista. For example, you don;t need to install MDAC in Vista, only in XP.

 

by: CodeCruiserPosted on 2009-07-24 at 01:59:10ID: 24933154

Is the application not working?

 

by: johnb6767Posted on 2009-07-25 at 22:25:59ID: 24944332

FYI, MDAC is included in XP, I know back as far as SP1 which was 2.7. SP2 includes 2.81......

 

by: monacoassociatesPosted on 2009-07-27 at 08:02:38ID: 24952287

The application is not working.  It tries to run, but when we get to the first database call, it crashes.

 

by: CodeCruiserPosted on 2009-07-27 at 08:11:48ID: 24952405

Use try catch block to check the acual error.

 

by: newyuppiePosted on 2009-07-27 at 11:06:29ID: 24954183

Can you debug step by step and see exactly where it crashes?

 

by: monacoassociatesPosted on 2009-07-30 at 12:56:44ID: 24983820

We are trying to use late binding as per this recommendation http://www.fmsinc.com/FRee/NewTips/Vista/ADOX/index.html  however we have been unable to successfully remove the reference to msadox.dll.  When we try to install the program without installing msadox with it, it crashes.  We are using Visual Studio 2005 and we cannot find anything in the references that looks like that library.  Any suggestions?

 

by: monacoassociatesPosted on 2009-08-17 at 08:45:14ID: 25115584

We have resolved our problem.  We revised our code so we did not need to call msadox.dll.  That is probably the crucial change.  Also, we have switched to a different installation product.  Instead of using the installer incorporated into Visual Studio 2005, we are using InstallShield.  At any rate, the application is now installing and running on Vista.

20120131-EE-VQP-002

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