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The FlexLM license manager produces Debug log files, which hold status information and error messages that are useful for debugging its activity. In version 11.12 Flexera added a few changes to the Debug logs; namely a set of global information entries that relate to the lmgrd daemon and to specific vendor daemons. These are referred to as SLOG: Summary Log statistics.

SLOG for lmgrd

SLOG entries for the lmgrd daemon are prefixed by (@lmgrd-SLOG@).

These include:

  • Start timestamp
  • Version
  • ProcessID
  • Network Info (IPv4/IPv6 interface, License manager port)
  • Command-line options
  • list of license files
  • Is the license server running as a Windows’ service.

Example from an actual debug log file:


7:47:03 (lmgrd) SLOG: Summary LOG statistics is enabled.

7:47:04 (lmgrd) (@lmgrd-SLOG@) ===============================================

7:47:04 (lmgrd) (@lmgrd-SLOG@) === LMGRD ===

7:47:04 (lmgrd) (@lmgrd-SLOG@) Start-Date: Mon Oct 06 2014 07:47:04 Central Daylight Time

7:47:04 (lmgrd) (@lmgrd-SLOG@) PID: 4756

7:47:04 (lmgrd) (@lmgrd-SLOG@) LMGRD Version: v11.12.0.0 build 136775 x64_n6 ( build 136775 (ipv6))

7:47:04 (lmgrd) (@lmgrd-SLOG@)

7:47:04 (lmgrd) (@lmgrd-SLOG@) === Network Info ===

7:47:04 (lmgrd) (@lmgrd-SLOG@) Socket interface: IPV6

7:47:04 (lmgrd) (@lmgrd-SLOG@) Listening port: 27000

7:47:04 (lmgrd) (@lmgrd-SLOG@)

7:47:04 (lmgrd) (@lmgrd-SLOG@) === Startup Info ===

7:47:04 (lmgrd) (@lmgrd-SLOG@) Is LS run as a service: Yes

7:47:04 (lmgrd) (@lmgrd-SLOG@) Server Configuration: Single Server

7:47:04 (lmgrd) (@lmgrd-SLOG@) Command-line options used at LS startup: -c D:\License\2015License.lic -l D:\License\debug -z -s

7:47:04 (lmgrd) (@lmgrd-SLOG@) License file(s) used:  D:\License\2015License.lic

7:47:04 (lmgrd) (@lmgrd-SLOG@) ===============================================


SLOG for vendor daemons

Debug logs may be split and redirected according to Vendor daemons. This facilitates zooming in on vendor specific data. Vendor daemon specific SLOG entries are prefixed by (@<vendor>-SLOG@). These include:

  • Start timestamp
  • Version
  • ProcessID
  • Network info (IPv4/IPv6 interface, listening port, select timeout of vendor daemon)
  • Vendor daemon name
  • Options file used
  • Trusted storage accessed (yes/no)
  • Host name
  • Virtual/physical environment
  • (limited) Hypervisor info if virtual
  • Lmbind used (yes/no)
  • Number of restarts of the Vendor daemon since lmgrd startup
  • Number of rereads since vendor daemon was started (or restarted)
  • Last reread time
  • Reread initiation type (automatic versus lmreread).

Every 4 hours (and at vendor daemon shutdown) the following performance data entries are also logged:

  • Details of the 10 peak client transactions (including client hostname, user, transaction time, concurrent clients at time of transaction, memory usage (Windows only))
  • Peak concurrent clients served
  • High watermark memory usage (for Windows only)
  • Transaction time for the last 10 transactions.


Example from an actual Autodesk debug log file:


7:47:21 (adskflex) SLOG: Statistics Log Frequency is 240 minute(s).

7:47:21 (adskflex) (@adskflex-SLOG@) ===============================================

7:47:21 (adskflex) (@adskflex-SLOG@) === Vendor Daemon ===

7:47:21 (adskflex) (@adskflex-SLOG@) Vendor daemon: adskflex

7:47:21 (adskflex) (@adskflex-SLOG@) Start-Date: Mon Oct 06 2014 07:47:21 Central Daylight Time

7:47:22 (adskflex) (@adskflex-SLOG@) PID: 3008

7:47:22 (adskflex) (@adskflex-SLOG@) VD Version: v11.12.0.0 build 136775 x64_n6 ( build 136775 (ipv6))

7:47:22 (adskflex) (@adskflex-SLOG@)

7:47:22 (adskflex) (@adskflex-SLOG@) === Startup/Restart Info ===

7:47:22 (adskflex) (@adskflex-SLOG@) Options file used: None

7:47:22 (adskflex) (@adskflex-SLOG@) Is vendor daemon a CVD: No

7:47:22 (adskflex) (@adskflex-SLOG@) Is TS accessed: No

7:47:22 (adskflex) (@adskflex-SLOG@) TS accessed for feature load: -NA-

7:47:22 (adskflex) (@adskflex-SLOG@) Number of VD restarts since LS startup: 0

7:47:22 (adskflex) (@adskflex-SLOG@)

7:47:22 (adskflex) (@adskflex-SLOG@) === Network Info ===

7:47:22 (adskflex) (@adskflex-SLOG@) Socket interface: IPV6

7:47:22 (adskflex) (@adskflex-SLOG@) Listening port: 2080

7:47:22 (adskflex) (@adskflex-SLOG@) Daemon select timeout (in seconds): 1

7:47:22 (adskflex) (@adskflex-SLOG@)

7:47:22 (adskflex) (@adskflex-SLOG@) === Host Info ===

7:47:22 (adskflex) (@adskflex-SLOG@) Host used in license file: 73YDBW1

7:47:22 (adskflex) (@adskflex-SLOG@) Running on <Physical/Virtual>:  Physical

7:47:22 (adskflex) (@adskflex-SLOG@) LMBIND needed: No

7:47:22 (adskflex) (@adskflex-SLOG@) LMBIND port: -NA-

7:47:22 (adskflex) (@adskflex-SLOG@) ===============================================