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Is GUID of SharePoint Objects globally unique? Or is there any case where it could be duplicated?

  • are you talking of uniqueId? – Gwny Aug 25 '15 at 15:30
  • yes, example: 89b66b71-afc8-463f-b5ed-9770168996a6 (Guid) – Gokul Aug 25 '15 at 15:55
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Microsoft guarantees you uniqueness inside a SharePoint-Database, not more and not less. Even considering it is a very small possibility to have duplicates, it is possible if you have multiple databases inside the same farm.

https://msdn.microsoft.com/EN-US/library/microsoft.sharepoint.splistitem.uniqueid.aspx

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GUID

The G in GUID stands for Globally

The U in GUID stands for Unique

The ID in GUID stands for Identifier

https://en.wikipedia.org/wiki/Globally_unique_identifier

And yes there is a once in a 30 octillion chance it is not unique

What is an octillion ?? I don't know..

But it sounds huge, and maybe a good lock-out period (in milliseconds, we should not be too harsh) on StackOverflow for people who ask questions without searching Google first.

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