Specifies whether encryption is supported, required, or not supported when Microsoft Office Communicator makes and receives ...

Specifies whether encryption is supported, required, or not supported when Microsoft Office Communicator makes and receives screen sharing calls.  If you disable this policy setting, do not configure this policy setting, or enable this policy setting and then click "Support Encryption (default)," Microsoft Office Communicator sends and receives screen sharing data whether it is encrypted or not.  If you enable this policy setting and then click "Require Encryption," Microsoft Office Communicator sends and receives screen sharing data only if it is encrypted. Microsoft Office Communicator rejects screen sharing data that is not encrypted.  If you enable this policy setting and click "Don't Support Encryption," Microsoft Office Communicator sends and receives screen sharing data only if it is not encrypted. Microsoft Office Communicator rejects encrypted screen sharing data.  Note: You can configure this policy setting under both Computer Configuration and User Configuration, but the policy setting under Computer Configuration takes precedence.