The following error is produced when trying to sync Free/Busy info:
"<Exchange Layer> (32622) Error occurred while retrieving data from the Exchange server.
[ 0x80004002 ( No such interface supported [EIP: 0x00420876,0x0040BAB1]) ]
(2) Warning:<ACS Alerter> (39282) Failed to collect free/busy from folders(24)"
Register the OLE32.dll file and then re-publish to resolve this issue.
To register the OLE32.dll file follow the below steps:
1. Open a Command Prompt window.
2. Change directories to C:\Windows\System32.;
3. Type the following command and hit enter to register this file: regsvr32 OLE32.dll