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MDAC

Posted on 2006-11-06
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Last Modified: 2012-05-05
Hello,

I am creating the distribution setup for my VB 6.0 application using InnoSetup. I found one great article by Michael Reitz - http://www.jrsoftware.org/iskb-attach.php/dcommdac/VB_DCOM_MDAC.iss

These are the confusions that I had.

1. Currently I develop my VB 6.0 using Microsoft Visual Studio SP 6 which I believe it comes with MDAC 2.5. Am I right?
2. If point #1 is correct, it means that I have to distribute MDAC 2.5 to my client's PC if their OS is less than Windows NT / Windows 2K such as Windows ME, Windows 98 or Windows 95. Is this also correct?
3. If point #2 is correct, let's say that Windows 98 is using MDAC 2.0 and I need to *upgrade* it to MDAC 2.5. Will there be any problem on the Windows 98 itself as I am afraid that it may affect the OS itself.
4. From the article, I can say that for Windows 95, we have to install additional DCOM95. How about Windows 98? Do we need to install the DCOM98?
5. Lastly but not least, from the article that I mentioned above, I think that I can use the same iss file if I want to distribute the MDAC 2.5 to every OS. Am I right?

Thanks
David
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Question by:suprapto45
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Sethi earned 500 total points
ID: 17886707
Simply install latest version of MDAC on every OS concerned as latest MDAC version is compatible with previous versions.

In Windows 98 silver version DCOM98 is pre-installed, however you can reinstall it and confirm before installing MDAC.

I would not advise installing MDAC on Windows95 as I experienced a lot of issues. You can always have a discliamer saying Windows 98 and above is supported by your application.
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by:suprapto45
ID: 17886720
Thanks Sethi,

>>"Simply install latest version of MDAC on every OS concerned as latest MDAC version is compatible with previous versions."
However, the latest MDAC which is 2.8 does not include Jet. Am I right? Does it mean that I have to install the Jet manually as well?
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by:Sethi
ID: 17886816
Correct. If you are using DAO in your aplication then you will have install Jet manually.
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by:suprapto45
ID: 17886820
However,

I am using ADO at the moment. What should I do? Install MDAC 2.8 and Jet?

Sorry, I am coming from Java background ;)
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by:Sethi
ID: 17886844
No need to install Jet if you are using ADO. Jet needs to be installed only when you are using DAO. Install only MDAC 2.8.
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by:suprapto45
ID: 17886860
Great, will try it and let you know but will test it in the next few hours time so you can expect that I can get back to you in the evening.

David
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by:Sethi
ID: 17886882
Anytime :-)
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by:suprapto45
ID: 17888766
Works perfect ;).

Thank you very much.

David
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by:Sethi
ID: 17889586
My pleasure :-)
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