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I was wondering whether it's possible to change the ID feed for a list. We're migrating an older system to SharePoint and the customer requested that the ID's of the items stay the same in SharePoint. In the old system, the ID column is a regular autoincrement integer, same as the SharePoint ID. There are gaps in the numbering.

So what I'm looking for is two things: - Is it possible to specify the ID on insert? I assume it's not - Is it possible to change the ID feed for a list? Is that being stored somewhere or is it recalculated every time (can't imagine that)

I already thought of creating empty items and immediately deleting those again as a workaround, but I want to be able to revert the ID feed too after testing.

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up vote 0 down vote accepted

It is not possible mange the ID numbering of the list items. It is an autonumber feed with no reliable way to seed it or remove any of the gaps.

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Thanks, will go for a custom column instead. – Jasper Dec 12 '11 at 15:56

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