Error during Free/Busy sync:"Exchange Layer (32622) Error occurred while retrieving data from the (4333720)

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