def _require_version(server, version):
    """Check version of server

    server[in]         Server instance
    version[in]        minimal version of the server required

    Returns boolean - True = version Ok, False = version < required
    """
    if version is not None and server is not None:
        major, minor, rel = version.split(".")
        if not server.check_version_compat(major, minor, rel):
            return False
    return True