The remote host is running software that should be authorized with respect to corporate policy.
The remote client is running ICUII, a peer-to-peer client for messaging and video. ICUII supports two primary modes: 'Family Oriented' and 'Adult'. There has been at least one local bug associated with ICUII.
Ensure that ICUII is authorized with respect to corporate 'Appropriate Network Usage' policies. If authorized, ensure that ICUII is running with the most recent version.