Detail: Windows 7 64 Bit, Outlook 2010 64 Bit, Exchange 2010, Testing with users/email accounts in GAL before email goes out to gov't. Certificate were given by SafeNet to obtain access to Gov't Websites (JPAS and STEPP).
ActiveSync with logon to workstations for exchange.
Problem: An Error Occurred in the underlying security system. The Keyset is not defined.
Created new profiles
Turned off & on Cache mode
Email > Options > Trust Center > Email Security > Default Settings : My S/MIME Settings (email@example.com)]
Email Security > Settings > Signing Certificate: Cert given by SafeNet
Email Security > Settings > Encyrption Certificate: Cert given by SafeNet
Tried sending with & without Send these certificates with messages
Exported & Imported certificate to .CER with my own profile on personal contact
Any Help Would be Greatly Appreciated because I'm going to pull my hair out.