401 Cannot read server response

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Posted on by nrjnablasol

I ma trying to Create flow when booking appointment is created , but it is not letting me set smtp address of booking

giving error

Could not retrieve values. The dynamic invocation request failed with error: { "error": { "code": 401, "source": "msmanaged-na.azure-apim.net", "clientRequestId": "598d879b-ba60-49e6-8e46-211394c1a51f", "message": "The response is not in a JSON format.", "innerError": "Cannot read server response." } }.

my SMTP address is

https://outlook.office365.com/owa/calendar/Nablasol_Calender@libtax.com/bookings/

find a lot, could not find a reason for it . what could be possible issue ?

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Expiscornovus 33,830 Most Valuable Professional on at

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Hi @nrjnablasol,

Just to double check. Are you Booking admin of the calendar you are trying to use?

I believe this is listed as one of the know issues/limitations when using an appointment trigger type of action:

https://learn.microsoft.com/en-us/connectors/microsoftbookings/#known-issues-and-limitations

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nrjnablasol 2 on at

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this trigger in Powerautomate was working previously. but for a couple of weeks, it is showing an error.

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Expiscornovus 33,830 Most Valuable Professional on at

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Hi @nrjnablasol,

Can you still double check if the account you are using in the connection of the trigger action is booking admin?

Btw, you can also contact Microsoft support in parallel to this thread. They might be able to help you out as well.

(Especially if it has worked before with the same mailbox and the same account, and you are sure you still have enough booking permissions).

https://powerautomate.microsoft.com/en-us/support/

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