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I've been reading about the GUIDs changing for ADO/MDAC in Windows 7 service pack1 for VB6 apps. I need to recopile my compontents and replace the deprecated ones with the new one. My question is if my VB6 app is only going to be installed on windows 7 with service pack 1 or windows 2008 with the latest service pack will my VB6 app still work or do I still need to install something else too?

paul rockerdale
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  • It failed on a Server 2008 machine here until I recompiled against the compatability typelib. – Deanna Apr 30 '12 at 11:35
  • On Win7 SP1 we are using ADO typelib from Win7 RTM to compile everything-compatible executables: http://stackoverflow.com/questions/8946883/invalid-procedure-call-or-argument-error-on-new-adodb-connection-only-if-com/8952634#8952634 – wqw May 01 '12 at 18:57

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The updates you need to fix this problem are here.

This blog post explains a bit more about what happened and how they DRASTICALLY (Microsoft's emphasis) underestimated the number of developers that would be re-compiling ADO applications on Win7 SP1.

Antagony
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