What version of FlexNet Publisher is used in ArcGIS License Manager?

Answer

ArcGIS License Manager is a utility built upon the third-party FlexNet Publisher software. ArcGIS License Manager is used to hold, manage, and serve concurrent-use licenses to client machines when requested.
The following lists the versions of FlexNet Publisher used in each version of ArcGIS License Manager:

• 2023.0 - FlexNet Publisher 11.19.4.1 (Note: LMGRD and ARCGIS Daemons 11.19.1.0)
• 2022.1 - FlexNet Publisher 11.19.1.0
• 2022.0 - FlexNet Publisher 11.18.3.0
• 2021.1 - FlexNet Publisher 11.18.2.0
• 2021.0 - FlexNet Publisher 11.16.5.1
• 2020.1 - FlexNet Publisher 11.16.5.1
• 2020.0 - FlexNet Publisher 11.16.5.1
• 2019.2 - FlexNet Publisher 11.16.2.1 (Note: FlexNet Licensing Service - 11.16.4.0)
• 2019.1 - FlexNet Publisher 11.16.2.1
• 2019.0 - FlexNet Publisher 11.16.2.1
• 2018.1 - FlexNet Publisher 11.14.1.2 (Note: FlexNet Licensing Service - 11.14.1.3)
• 2018.0 - FlexNet Publisher 11.14.1.2 (Note: FlexNet Licensing Service - 11.14.1.3)
• 10.6 - FlexNet Publisher 11.14.1.2 (Note: FlexNet Licensing Service is 11.14.1.3)
• 10.5.1 - FlexNet Publisher 11.14.1.0
• 10.5 - FlexNet Publisher 11.13.1.5
• 10.4.1 - FlexNet Publisher 11.13.1.2
• 10.4 - FlexNet Publisher 11.13.1.2
• 10.3.1 - FlexNet Publisher 11.12.1.2
• 10.3 - FlexNet Publisher 11.12.1.2
• 10.2.2 - FlexNet Publisher 11.11.1.2
• 10.2.1 - FlexNet Publisher 11.11.1.2
• 10.2 - FlexNet Publisher 11.11.1
• 10.1 SP1 - FlexNet Publisher 11.10.1
• 10.1 - FlexNet Publisher 11.10.0
• 10.0 SP5 - FlexNet Publisher 11.10.1
• 10.0 SP4 -FlexNet Publisher 11.9.0
• 10.0 SP3 -FlexNet Publisher 11.9.0
• 10.0 SP2 -FlexNet Publisher 11.9.0
• 10.0 SP1 -FlexNet Publisher 11.6.1
• 10.0 - FlexNet Publisher 11.6.1
• 9.3.1 - FlexNet Publisher 11.4.1
• 9.3 - FlexNet Publisher 11.4.1

To download ArcGIS License Manager, log in to My Esri , under My Organizations, click Downloads, and select the version of License Manager from the drop-down list.

Note:
The version of ArcGIS supported by the License Manager must be equal to or less than the version of the License Manager.  For example,  ArcGIS License Manager 10.1 with  ArcGIS For Desktop Advanced 10.1 licenses, supports client versions of ArcGIS for Desktop Advanced version 10.1 or earlier.