Return
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Title
Free Busy fails with "The remote server returned an error: (457)" -
Description
Using Coexistence Manager for Notes (CMN) for a Free Busy lookup from Notes to an Office 365 user fails with: "AutodiscoverWorker - System.Net.WebException: The remote server returned an error: (457)"
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Cause
Exchange online account's password has expired. This is specified in the "Exchange Free/Busy" part of CMN -
Resolution
RESOLUTION:
Refresh the password and confirm in CMN and Run the Free Busy lookup again.