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I have an External Content Type in my Metadata store and I want to create an external list using that ECT, using Powershell script.

I tried to use $Web.Lists.Add() with SiteTemplate = "External List" but it doesn't seem to work.

There was another example online by creating a ListDatasource object, but that gives me error

"IMethodInstance could not be found using criteria..." and a MetadataObjectNotFoundException

, although the Object is there.

Does anyone have any pointers to get it to work?

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Following link might help.

Auto Create External Lists for Each ECTs contained within a specific BCS model

Can't use "External List" as SiteTemplate since you have to specify the BDC Model's properties.

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