You can configure Access Manager so that it can connect to trusted domains by setting the following registry key with a list of trusted domains and/or forests. The type of key is REG_MULTI_SZ:
Configuring a list of domains this way can be particularly useful and faster when you have a large amount of domains. Enter each domain as a separate line in the Registry Editor window.
For example, to specify a single domain:
For example, to specify multiple domains:
To block access to domains, you use the IgnoreTrusts key: HKLM\SOFTWARE\Centrify\CIMS\AllowedTrusts.