Error 0x80550006

Value: -2141913082 | 0x80550006 | 2153054214

What does it mean ?

EAS_E_USER_CANNOT_CHANGE_PASSWORD  
The user is not allowed to change her password.
Value: 6 | 0x0006 | 0b0000000000000110

Where does it come from ?

FACILITY_EAS  
Exchange Active Synchronization
Value: 85 | 0x055 | 0b01010101

Other Errors for FACILITY_EAS