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Home/ Questions/Q 9214599
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Editorial Team
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Editorial Team
Asked: June 18, 20262026-06-18T02:00:20+00:00 2026-06-18T02:00:20+00:00

When trying to generate an entity data model from by DbContext, I get a

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When trying to generate an entity data model from by DbContext, I get a popup whet the message:

Not Implemented (Exception from HResult: 0x8004001 (E_NOTIMPL))

For other DbContext classes this message does not popup.

I’m using VS 2012 ultimate and Entity Framework Power Tools Beta 2.

Any suggestions about what is going on.

Thanks in advance,
Merijn

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1 Answer

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  1. Editorial Team
    Editorial Team
    2026-06-18T02:00:21+00:00Added an answer on June 18, 2026 at 2:00 am

    Try EF Power Tools Beta 3 released today. It contains a number of fixes for issues of this kind.

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