ResolutionLogs of requests from POA to Microsoft and responses from Microsoft Cloud servers may be found on the MOSI (Miocrosoft Online Services Interface) Gateway Host, the server where MOSI Gateway software is working.
MOSI Gateway software is included in the POA APS package Office 365 - MOSI-Gateway-<version>.zip
MOSI Gateway software should be installed as a web application on the MOSI Gateway Host:
The MOSI Gateway Host is communicating with Microsoft Office 365 servers by means of MOSI Gateway web application.
Request/responses to/from Microsoft may be found in the App_Data\sitelog file in the folder where content of MOSI Gateway software is installed.
Requests/responses are prefixed with the word mosi.
The log is rotated daily.