Views:
Use a WMI tool such as CIM Studio to define Trusted Contacts.
CIM Studio is part of Windows Management Instrumentation (WMI) SDK 1.5. The WMI SDK is available for download at:

Procedure

  1. Launch the WMI CIM Studio console.
  2. Connect to the root\trendmicro\imsecurity namespace.
  3. Expand TM_LCSHookSetting to display TrustyAccounts.
  4. Add trusted contacts as values for TrustyAccounts.
There is no limit to the number of trusted contacts that you can define. By default, IM Security adds the notification agent in the Trusted Contacts list.
WARNING
WARNING
Carefully consider the users in the Trusted Contacts list. Malicious users may relay unwanted content or propagate viruses/malware and spyware/grayware in your Lync/Skype for Business Server environment through a trusted user.