Central evaluation and management software for messages (status, event, error) from one or more Dallmeier recorders, decoders, streamers or MicroStreamers.  PGuard advance can be operated as a single-user solution in the server version.  An extension to a multiuser solution in a LAN is always feasible with several PGuard advance clients.  In this case server and clients access the server based MySQL database together and simultaneously.  Thereby processing status and data are being actualised in real time.  Operating system Windows XP.  Standalone or server/client installation.  Recommended for up to 10 clients.  Integrated MySQL database.  Recommended for up to 100,000 messages.