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I have a CSOM application that I use to access SharePoint lists.

I have processed a list https://mysharepoint.shareoint.local/sites/sc123/MyList with a GUID: 263FE49C-7FB3-4247-93CD-4AAB9770EF97

Several days later, the same list suddenly has a different GUID 7F1BA68C-8D94-48D7-BF97-AC5C6FF0665A.

I keep track of List changes using the Changes API but I am probably not handling this particular event.

Are there operations that SharePoint lists can have happen that change the GUID of a list?

What would be the Change API event that would cause this?

1 Answer 1

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There are no setters on SPList.Id which means it cannot change unless you alter the database directly, which is unsupported.

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  • so pretty much this means that the list was deleted then recreated then right ? Commented May 12, 2020 at 22:57
  • Yes, and if you have access to the Content Database, the EventCache table would record this.
    – user6024
    Commented May 12, 2020 at 22:58

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