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Office 365 outlook status 404 - 3rd party user

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Posted on by egornua1

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Hi All,

I have a flow using the O365 outlook connector and one of the 3rd party users is getting a 404 error

when the user clicks ellipses, they only get a switch account option

can anyone advise or suggest another option?

Microsoft documentation - This error can occur if the mailbox is on a dedicated Microsoft Exchange Server and is not a valid Microsoft 365 mailbox.

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FLMike 26,719 on at

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Office 365 outlook status 404 - 3rd party user

HI

Thats too small to read.

But I am assuming that this 3rd party person has never worked, and the connection itself is NOT shared with them.

Are they are guest in your AD?

Did you assign them a License? (for O365, and Power Apps) etc?

Its one of those. Make sure they are able to use Shared Connections.

Cheers,

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