accpac integration Error

Dears,

I'm trying to do an integration between sage 7.0 and accpac 5.5 and when i try to open a session i get an error "Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)) " i tried every solution online the target machine is set to 86x the dll's are registered the OS is server 2012, any suggestions?