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I want to switch from unidac to ibdac for my project but i have a lot of woks done with unidac components and i dont want to start from the beginning by deleting the unidac ones and creating ibdac ones from the zero.

Is there any way to transfer my project from unidac to ibdac smoothly without doing so much hand work?

Hello,

Unfortunately we don't have any tool for migrating from UniDAC to IBDAC.

After installing ibdac, I opened all .pas and .dfm files having unidac components in my text editor and just made a find-replace for TUni->TIBC. It seems that it worked or I think so?

You can replace components in that way, but after this you should check that you moved all options from UniDAC to IBDAC correctly. You could have set some of the specific options in UniDAC (for example, in the SpecificOptions property). We recommend you to test your application.

After that kind of migration

I receive the following error message when i close my application :

Exception EIBCError in module neysys.exe at ..
Unknown ISC error 0.

What does it mean and how to be resolved?

I cannot reproduce the problem. Please specify the following:
- the exact version of Firebird;
- the exact moment when the error occurs (connection closing, dataset closing).
Also you can compose a small sample to demonstrate the problem and send it to andreyz*devart*com.