Floating License Sever Setup

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Floating licenses allow a group of users to share T-VEC licenses on a network. The licenses are managed by a license manager which limits the number of concurrent users of the tools to the number of licenses specified in a license file. T-VEC tools use the the FlexLM license manager to manage licenses.

In a FlexLM floating configuration, the T-VEC tools communicate with the FlexLM license manager to obtain licenses. The machine running the FlexLM license manager is referred to as the license server.

There are three components of the license manager:

  • FlexLM license manager (lmgrd)
  • License File
  • T-VEC license (vendor) daemon (tveclmd)


On Windows, the FlexLM license manager, lmgrd, typically runs as a service and starts as part of Windows startup. lmgrd reads the license file associated with it and loads any vendor daemons specified in the license file. The T-VEC license vendor daemon is tveclmd. Once tveclmd is started by lmgrd, it manages the licenses for T-VEC tools.

A typically license for T-VEC tools looks like the following example.

SERVER license_server 00a02471cf70 TCP: 27007
DAEMON tveclmd tveclmd.exe
PACKAGE TVGSCore tveclmd 1.0 0CC8812AF01F COMPONENTS="T-VECcomp \
        T-VECvgen T-VECapi T-VECcov T-VECmake T-VECtdvr T-VECmap" \
        OPTIONS=SUITE SIGN="0074 C705 80D7 32B1 0298 F40B 3FD3 CE00 \
        8AAA 6B26 540F B898 B352 77C7 9CBD"
PACKAGE TVGSInterface tveclmd 1.0 94B2F00BEFA9 COMPONENTS="T-VECse \
        T-VECcmd" OPTIONS=SUITE SIGN="000F 77D1 374F F534 99E3 06E1 \
        7046 A400 C77D 81E0 7425 D062 36F4 9BF5 28A5"
FEATURE TVGSCore tveclmd 1.0 15-jan-2010 2 752D4BC5529B SIGN="008D \
        F667 6345 965D DEE2 8F8B 6AF6 1400 F575 35D2 A2BD 8E01 C1B2 \
        DD05 BDAF"
FEATURE TVGSInterface tveclmd 1.0 15-jan-2010 2 8AFF7C916F24 \
        SIGN="000C 6B8F 3EEB 4445 731C 337D 41CB 2E00 9A6E F706 0D54 \
        BA2E 504B 13E5 09C7"
FEATURE sl2tvec tveclmd 1.0 15-jan-2010 2 723000EB9CA9 SIGN="000C \
        4BAF C49E CC80 37BE 63E2 DB89 F800 B1B3 80C3 C074 2CF5 077B \
        DC68 057D"
FEATURE TTM_STD tveclmd 1.0 15-jan-2010 2 68A665466A72 SIGN="00C7 \
        376B 30B0 473C ADDE F958 2AB3 EC00 9242 783F 0974 FD30 CEEC \
        99AF 2453"
FEATURE TTM_RM tveclmd 1.0 15-jan-2010 2 4EC314DE55CA SIGN="0045 3304 \
        AFD4 2721 0552 1AE1 058F 8600 8C5F D3B1 7030 3793 FCBE 059D \
FEATURE TTM_DOORS tveclmd 1.0 15-jan-2010 2 6F6FAC23C8AA SIGN="001A \
        10BD 7CD8 CC71 6CF3 05F5 A2A2 7F00 3630 B650 F05F 6DEB 5039 \
        E952 E566"