It may be that the parameters selected in the Open method are not compatible with the cursorlocation (adUseServer by default) type of the connection. Also anytime you have a read-only server-side cursor the RecordCount property is not supported and will return -1.

Try setting the CursorLocation property of the connection object to adUseClient and remove the extra parameters in the Open method (adOpenStatic, adLockReadOnly).

Hope this helps,