The Solaris 10 10/09 OS introduces the capability to dynamically add and remove cryptographic units from a domain, which is called cryptographic unit dynamic reconfiguration (DR). The Logical Domains Manager automatically detects whether a domain allows cryptographic unit DR, and enables the functionality only for those domains. In addition, CPU DR is no longer disabled in domains that have cryptographic units bound and are running an appropriate version of the Solaris OS.
However, the restriction against enabling power management (PM) elastic mode still applies if there are any domains with cryptographic units bound. This restriction is enforced by the Logical Domains Manager. So, any attempt to change power management's policy to elastic from the SP when there are cryptographic units bound to any domain would be ineffective and is therefore not recommended.