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In some emulator products it is possible to configure the number of retries and the waiting time between them by adding parameters to the emulator configuration file. Please refer to the product documentation for the details regarding the relevant parameters:

  • Charon-AXP/VAX: license_key_lookup_retry parameter
  • Charon-HPA: license_retry_period and license_retry_count parameters (obsolete starting with version 1.10)

2. At regular intervals during the runtime of the emulator (the default license check period of 1 hour can be changed by Stromasys using the appropriate license parameters):

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Excerpt

A software license is a "virtual" key with functionality very similar to a HASP network-enabled hardware dongle.

A software license does not require any special hardware but it still requires installation of the Sentinel runtime environment. 

Note

To avoid unexpected problems, do not use any Sentinel runtime software that was not provided by Stromasys without being advised to do so by your Stromasys representative.


Note

Software licenses are best suited for stable environments, because their correct function depends on certain characteristics of the host system. Changing any of these characteristics will invalidate the license.

  • If the Charon host runs on real hardware, software licenses are by default tightly bound to the hardware for which they were issued. If major hardware characteristics of the system are changed, the license will be disabled.
  • If the Charon host runs in a virtual environment (e.g., VMware), software licenses are normally bound to the virtual machine ID and a set of additional characteristics of the virtual machine. If any of these parameters are changed, the license will be disabled.

For a more detailed description of the restrictions, please refer to Software Licensing restrictions or contact your Stromasys representative.


Warning

Software licenses are very sensitive to even small changes on the host system. Therefore, it is especially important to provide for a backup license that will ensure continued operation should there be a problem with the software license. See Handling Multiple License Keys and Product Licenses for details.


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With these settings, when you connect to the HASP GUI from a remote system, you may be prompted for a username and password. It is enough to just enter the configured password and leave the username field empty.


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Set Linux File Protections

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    • To allow access from remote clients, activate the check-box next to the field Allow Access from Remote Clients and press Submit at the bottom of the page.
      (warning) To allow access from remote clients, network visibility on the "Network" tab must be set to All Network Adapters.
    • To refuse access from remote clients, clear the check-box next to the field Allow Access from Remote Clients and press Submit at the bottom of the page.
    • Access Restrictions allow refining access rules, e.g., by specifying IP addresses. Please refer to Sentinel ACC help for details.

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Allowing Access to a License Server on the Client

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The following sections describe the options available to achieve a more deterministic license selection. If only one license is available, either locally installed or via the network, this section does not apply.

Note

For Charon-AXP/VAX before version 4.9, Charon-HPA before version 1.10, and other older Charon products: the parameters described in this section can only be used to define a primary key and a backup key, or to specify the correct key if there is a conflicting license for a different Charon product on the same system. It is not possible with these versions of Charon to combine a local license (black dongle) with other licenses (local or network) to increase the number of concurrent instances of the same Charon product on one host system.

Newer versions allow a more flexible use of multiple licenses. Both variants are described in the following sections.

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