Siemens SIMATIC PCS 7 Configuration Manual page 33

6. If you are not using a WINS/DNS server, create the LMHOSTS and HOSTS files for TCP/
IP name resolution and distribute these to all PCS 7 stations.
7. In the "LMHOSTS" file use the parameter #PRE for each computer name to be entered so
that this name is entered into the so-called NETBIOS cache when the computer is booted
up. (The cache can be displayed via the command line using the "nbtstat –c" command)
Compendium Part A - Configuration Guidelines (V8.2)
Configuration Manual, 08/2016, A5E38166869-AA
Preparation and administration
4.3 Installation
33