Downgrading MDAC - ADO

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we have one application that does not work in windows 2012. The application uses MDAC and I checked the OS and the MDAC version is shown 6.0. Is there a way to downgrade to 2.8?

Or can you think other reasons to prevent application run on the windows 2012?

Posted 17-Aug-12 0:04am

peru j

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Joan M 17-Aug-12 6:12am

Is windows 2012 windows 8?

Malli_S 17-Aug-12 6:20am

Windows 2012? Did you mean Window 2000 or Windows 8?

peru j 17-Aug-12 6:52am

windows 8. Am working on beta

2 solutions

Solution 1

You have already asked this question here[^]. Please do not repost the same question multiple times.

And, as someone already pointed out, there is no such thing as Windows 2012, so you need to clarify your question.

Posted 17-Aug-12 0:38am

Richard MacCutchan

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peru j 17-Aug-12 6:50am

No i didnt get any answer there. And there is upcoming server windows 2012 to be released this october. Currently working on beta version. Also called Windows 8 server

Richard MacCutchan 17-Aug-12 6:53am

If you are working on a beta version of a product then you need to contact Microsoft if it is giving you problems.

peru j 17-Aug-12 6:55am

Ya that wil be my next step. But before that i thought of any solutions here if possible downgrade will help. Thanks. Let me see if i get any :)

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Jochen Arndt · Accepted Answer · 2012-08-17T00:47:00

Solution 2

With Windows Vista, MDAC has been replaced by DAC 6.0. Installation of old MDAC versions is not possible. However, most software using MDAC should work with DAC without problems when running on Windows Vista or Windows 7.

I suggest to check first that your application is running on Windows Vista and/or 7.

Posted 17-Aug-12 0:47am

Jochen Arndt

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peru j 17-Aug-12 6:51am

No it is not working. Please refer to http://www.codeproject.com/Questions/441973/ADODB-OutOFMemory-Error. This is my problem. Am working on upcoming windows 2012 (8) beta server. Thanks for your time

Jochen Arndt 17-Aug-12 7:02am

I missed the relation to that question and will follow up there. Anyway, this question has been answered: You can't downgrade from DAC to MDAC.

peru j 17-Aug-12 7:04am

or is it possible to have 2 versions ?

Jochen Arndt 17-Aug-12 7:07am

No.

But while answering here, I can post my tip also here:
Please check this comment (and the whole article):
http://www.codeproject.com/Articles/225491/Your-ADO-is-broken?msg=3959575#xx3959575xx

peru j 17-Aug-12 8:11am

Thanks. this would be the one solution for me now.marked it