"Context not yet fully formed" exceptions about nsspi HOT 2 CLOSED

        public string ContextUserName
        {
            get
            {
                CheckLifecycle();  // <------------------
                return QueryContextString( ContextQueryAttrib.Names );
            }
        }

        protected void Initialize( DateTime expiry )
        {
            this.Expiry = expiry;
            this.Initialized = true;    // <------------------
        }

        private void CheckLifecycle()
        {
            if( this.Initialized == false )    // <------------------
            {
                throw new InvalidOperationException( "The context is not yet fully formed." );
            }
            else if( this.Disposed )
            {
                throw new ObjectDisposedException( "Context" );
            }
        }

        public SecurityStatus AcceptToken( byte[] clientToken, out byte[] nextToken )
        {
             ...
                    if( this.ContextHandle.IsInvalid )
                    {
                        status = ContextNativeMethods.AcceptSecurityContext_1( ... );
                    }
                    else
                    {
                        status = ContextNativeMethods.AcceptSecurityContext_2( ... );
                    }
                }
            }

            if( status == SecurityStatus.OK )
            {
                nextToken = null;

                base.Initialize( rawExpiry.ToDateTime() ); // <-------------
...