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General Licensing Aspects

Ccreating and updating a license prior and during the operation of Charon emulators involves the following basic steps:

1. Generate a C2V (customer-to-vendor) file. It contains the data required to generate a license.

2. Submit the C2V information to Stromasys Orders Administration.

3. Receive one or more V2C (vendor-to-customer) license file. It contains the new or updated license data.

4. Apply the V2C files to the local system or the license server.

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

Please 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.
• 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.
• 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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The license server must be added to the Charon-PAR emulator configuration. Please refer to the section Initial License Installation.

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