LexFloatServer

4.21.0 (2026-04-23)

Added

  • Added crypto-binding support for Windows.

4.20.1 (2026-03-31)

Fixed

  • Minor bug fix.

4.20.0 (2026-03-26)

Added

  • Added baseValue property to the FeatureEntitlement object.

4.19.0 (2026-03-24)

Updated

  • Updated LexActivator version to 3.39.1.

4.18.1 (2026-03-10)

Updated

  • Updated LexActivator version.

4.18.0 (2026-01-02)

Added

  • Added expiresAt property to FeatureEntitlement.

Updated

  • Updated LexActivator version.
  • Enabled license reactivation directly from the LexFloatServer dashboard without requiring prior deactivation.

Fixed

  • Minor bug fixes.

4.17.0 (2025-12-03)

Updated

  • Updated LexActivator version.

4.16.1 (2025-11-17)

Fixed

  • Minor bug fix.

4.16.0 (2025-10-21)

Updated

  • Updated LexActivator version.

4.15.2 (2025-09-24)

Updated

  • Updated LexActivator version.

4.15.1 (2025-09-04)

Updated

  • Updated LexActivator version.

4.15.0 (2025-09-02)

Added

  • Improved device fingerprinting algorithm on Linux for improved reliability.

4.14.5 (2025-08-13)

Fixed

  • Minor bug fix.

4.14.4 (2025-08-05)

Updated

  • LexActivator version to v3.33.0.

4.14.3 (2025-05-28)

Updated

  • LexActivator version to v3.32.3.

4.14.2 (2025-05-27)

Updated

  • LexActivator version to v3.32.2.

4.14.1 (2025-05-27)

Updated

  • LexActivator version to v3.32.1.

4.14.0 (2025-05-22)

Added

  • /api/server/feature-entitlements endpoint to get the list of feature entitlements associated with the LexFloatServer.

Updated

  • Windows build of LexFloatServer is now distributed as two separate files (LexFloatServer.exe and LexActivator.dll) instead of a single unified executable to address crash issues.
  • LexActivator version to v3.32.0.

4.13.4 (2025-03-18)

Updated

  • LexActivator version to v3.31.3.

4.13.3 (2024-11-14)

Updated

  • LexActivator version to v3.30.2

4.13.2 (2024-10-30)

Updated

  • Signed builds for macOS.
  • Updated minimum Windows OS requirement to Windows 10.

Fixed

  • Bug fixes.

4.13.1 (2024-09-19)

Added

  • The dashboard is now served at / path instead of /app path. Requests to /app are redirected to / for backward compatibility.

4.13.0 (2024-08-05)

Added

  • maxOfflineLeaseDuration config file param to set the maximum duration in seconds that an offline license lease can last.
  • allowedOfflineFloatingClients config file param to set the maximum number of clients that can simultaneously hold an offline license lease.
  • /api/server/config public endpoint to get the value of the properties set in the config.yml.
  • maxOfflineLeaseDuration, allowedOfflineFloatingClients, totalOfflineFloatingClients properties added to /api/server/stats endpoint.
  • LexFloatServer now supports listing the trusted proxies via the config.yml file.

Updated

  • Logging of floating licenses that were not gracefully dropped (zombie licenses).
  • LexActivator version to v3.29.0.
  • /api/server/stats endpoint’s totalLicense property has been renamed to allowedFloatingClient.
  • /api/server/stats endpoint’s availableLicense property has been renamed to totalLicenses.

4.12.0 (2024-05-14)

Added

  • LexFloatServer now support enabling SSL through the config.yml file.

Fixed

  • LexFloatServer now updates license expiry date automatically after activation or server sync without requiring a restart.

4.11.2 (2023-12-22)

Fixed

  • Minor bug fixes.

4.11.1 (2023-12-14)

Updated

  • LexActivator version to v3.25.0

4.11.0 (2023-12-07)

Added

  • enableIpv6 config file param to enable LexFloatServer to serve requests over IPv6.

Fixed

  • productFilePath config file param now takes an absolute path as well.

4.10.0 (2023-11-09)

Added

  • /api/server/license-meter-attributes endpoint to get the meter attributes associated with the license.

Updated

  • Improved meter attribute logs.

Fixed

  • Minor bug fixes.

4.9.5 (2023-09-21)

Updated

  • LexActivator version to v3.24.1

4.9.4 (2023-08-11)

Fixed

  • Added missing WMI service error log.
  • Enforced service startup type to auto-delayed (Windows).

Updated

  • LexActivator version to v3.23.0

4.9.3 (2023-06-24)

Fixed

  • Minor bug fix.

4.9.2 (2023-06-03)

Fixed

  • Issues related to service uninstallation on Windows.

Updated

  • LexActivator version to v3.21.4.

4.9.1 (2023-05-05)

Fixed

  • Minor bug fixes.

4.9.0 (2023-04-04)

Added

  • /api/server/license-info endpoint to get the information related to the license used to activate the LexFloatServer.

Fixed

  • Issue related to the service path on Linux.

4.8.10 (2023-02-10)

Fixed

  • False positive container detection on some Linux distributions.

4.8.9 (2023-02-10)

Fixed

  • Container detection issue on recent Linux distributions.

4.8.8 (2022-12-01)

Updated

  • LexActivator version to v3.20.7.

4.8.7 (2022-11-03)

Updated

  • LexActivator version to v3.20.2.

4.8.6 (2022-10-31)

Fixed

  • Added missing digital signature in case of Windows.

4.8.5 (2022-07-26)

Updated

  • Improved error logs.

4.8.4 (2022-07-05)

Updated

  • Allow activation if the server is already activated.

4.8.3 (2022-07-01)

Fixed

  • Added missing error return codes.

4.8.2 (2022-06-20)

Updated

  • LexActivator version to v3.19.1.

4.8.1 (2022-06-15)

Updated

  • Support for the new product.dat file.

4.8.0 (2022-04-06)

Added

  • Support for the feature flags.

4.7.0 (2021-12-08)

Updated

  • Improved logging.

Fixed

  • Issues related to meter attributes when the license is activated through Dashboard.

4.6.8 (2021-08-11)

Fixed

  • Incorrect exit return codes.

4.6.7 (2021-08-11)

Fixed

  • Minor bug fixes.

4.6.6 (2021-08-03)

Fixed

  • Minor bug fixes.

4.6.5 (2021-07-15)

Updated

  • Minor performance improvements.

4.6.4 (2021-07-08)

Fixed

  • Issue related to log folder path.

4.6.3 (2021-06-15)

Fixed

  • Issues related to incrementing of meter attributes.
  • Issue related to incorrect encoding.

4.6.2 (2021-06-15)

Fixed

  • Issue causing server activation to disappear on restart in Windows.

4.6.1 (2021-06-15)

Fixed

  • Minor bug fixes.

4.6.0 (2021-06-14)

Added

  • Multi-threading support so it can now be vertically scaled to handle thousands of clients.
  • Dashboard wherein you can login, view active floating licenses, activate/deactivate the LexFloatServer etc.
  • Improved logging and colored console logs are supported too on Linux and macOS.
  • Supports for running as service on Linux without writing any systemd or init script.

Changed

  • Command-line options are now posix-compliant. Please check the updated options using lexfloatserver --help command.
  • YAML based config file and by default lexfloatserver looks for config.yml file in the same directory as lexfloatserver, so you don't need to pass the config file path.

4.5.3 (2021-05-06)

Updated

  • Updated networking library for Windows.

4.5.2 (2021-04-22)

Updated

  • Dropped dependency on libnss3 for Linux.

4.5.1 (2021-04-06)

Fixed

  • Minor bug fix.

4.5.0 (2021-03-23)

Added

  • Support for persistent meter attributes (non-floating).
  • Support for offline syncing of meter attributes (non-floating) during offline activation.

4.4.3 (2021-02-25)

Fixed

  • Some performance-related issues.

4.4.2 (2021-02-08)

Fixed

  • Issue causing offline activation to fail when the number of meter attributes is very large.

4.4.1 (2021-01-18)

Fixed

  • Buffer overflow issues causing activation verification to fail.

4.4.0 (2021-01-11)

Added

  • Support for running the server inside a container for testing purposes. The server must never be allowed to be run inside a container.

4.3.10 (2020-09-16)

Added

  • Support for bypassing system proxy settings. Just add api.cryptlex.com to the bypass proxy hosts list in the system proxy settings.

4.3.8 (2020-08-18)

Fixed

  • Bug causing the cache to return incorrect status code.

4.3.7 (2020-06-12)

Fixed

  • Minor bug fixes.

4.3.6 (2020-06-01)

Added

  • Improved device fingerprinting of devices running Linux.

4.3.5 (2020-04-14)

Fixed

  • Bug preventing the detection of Hyper-V on some Windows 10 machines.

4.3.4 (2020-03-20)

Fixed

  • Minor bug fixes.

4.3.3 (2020-03-12)

Fixed

  • Minor bug fixes.

4.3.0 (2019-10-28)

Added

4.2.0 (2019-07-23)

Added

  • allowedclockoffset config file param.

4.1.0 (2019-07-02)

Added

  • Support for meter attributes.

4.0.2 (2019-03-25)

Added

  • Support for detecting Dockers to prevent the running of LexFloatServer inside a Docker container.

4.0.1 (2019-02-24)

Added

  • New command line parameter -cryptlexhost to allow setting a custom host.

4.0.0 (2018-12-17)

Added

  • New /api/floating-licenses endpoint to get the list of leased floating licenses.
  • Leasing strategy can be set for the server to configure the behaviour of leasing floating licenses.
  • Lease duration in the config can be overridden using leaseDuration property of license.
  • Improved error and request logging.
  • Server error codes like server license expired, suspended, grace period over etc. are now sent to clients too.
  • SetFloatingClientMetadata() and GetHostLicenseExpiryDate() API functions.

Changed

  • Updated stats API endpoint, for details, check docs​
  • The Minimum supported LexFloatClient version is v4.0.0

3.0.2 (2018-09-10)

Added

  • Added activation and deactivation logs to the log file.

3.0.1 (2018-08-20)

Added

  • Fixed a bug preventing server from running as launchd daemon on MacOS.

3.0.0 (2018-05-03)

Added

  • Command-line parameters -metadatakey & -metadatavalue

Changed

  • Updated stats API endpoint, for details, check docs
  • Now uses LexActivator v3.0.0 for license activation
  • Renamed command line parameter -pkey to -licensekey
  • Renamed command line parameter -pfile to -productfile
  • Renamed command line parameter -orequest to -offlinerequest
  • Renamed command line parameter -oresponse to -offlineresponse

Deleted

  • Command-line parameter -extradata

2.9.5 (2017-10-19)

Fixed

  • Bug preventing grace period not to expire on no server sync

2.9.4 (2017-09-23)

Fixed

  • Bug causing incorrect detection of Hyper-V

2.9.3 (2017-09-09)

Added

  • lastSyncedAt and gracePeriodStartAt properties to stats API

2.9.2 (2017-08-27)

Fixed

  • Major bug causing LA_FAIL status to be returned for activated server

2.8.1 (2017-05-21)

Fixed

  • Embedded server version

2.8.0 (2017-05-16)

Added

  • Support for changing product version without restart

Changed

  • Disallowed leasing of licenses, if grace period is over and server is running

Fixed

  • Fixed a time sync issue

2.7.0 (2017-03-04)

Added

  • Support for running the server, in case server is not activated

Fixed

  • A startup issue as service on Windows 7

2.6.1 (2017-01-26)

Fixed

  • A memory leak issue

2.6.0 (2017-01-22)

Added

  • status property to the stats api

Fixed

  • Minor bug fixes

2.5.1 (2016-12-27)

Added

  • Command-line parameter -displayname to update service name in Windows
  • Command-line parameter -status to display activation status details
  • Command-line parameters -proxy, -graceperiod, -servercheckinterval and -extradata which can only be passed at the time of activation
  • Support for multiple service instances

Removed

  • Proxy, GracePeriod and ServerCheckInterval from config file

2.4.0 (2016-12-12)

Added

  • API endpoint to get the server stats: /services/api/stats
  • Client IP check to prevent VM snapshot floating clients

2.3.0 (2016-05-22)

Added

  • Support for blocking IP addresses
  • Support for offline activations
LexFloatClient
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