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FAQs and Troubleshooting
Updating Common Licensing: USB Key Not Recognized
Rebooting the computer after removing hardware keys can help the License Client recognize the keys during the upgrade process.

Important Product Information
Quick Start
Types of Licensing
Architecture Guide
License Client
Local License Server
USB keys
FAQs and Troubleshooting
- How can I troubleshoot technical issues with my license activation?
- What are the Rules for Using Licenses in a Virtual Environment?
- Licensing Virtual Machines
  Use a host personal computer as the Local License Server to license virtual machines (VMs). This is particularly useful when your PC has multiple product software versions, each running on a unique VM.
- Can I Run the Licensing Client in a Virtual Environment on a Macintosh?
- Local License Server Does Not Return Error Responses
  When the local license server does not return error responses, no licenses are changed on the server.
- More Licenses are Allocated to Clients than are on the Local Server
- Updating Common Licensing: USB Key Not Recognized
  Rebooting the computer after removing hardware keys can help the License Client recognize the keys during the upgrade process.
- When can I plug in the hardware key?
- Troubleshooting USB Hardware Installation
- Changing the Default Local License Server Port
  The default port for the Local License Server is 3333.
- Changing the Default Port that Checks for NIC MAC Address Changes
  The default port number to check for a change in the Local Server License ID/NIC MAC address is 33331.
- What to Do When the LLS NIC MAC Address Changes
  Licenses leased and activated by your Local License Server are still valid in the event of a NIC MAC address (Server ID) change. However, a NIC MAC address change prevents subsequent cloud-based activities, such as activating, returning, and refreshing licenses.
- What do the lights at the end of the hardware key indicate?
- If I move the hardware key to another port, is it automatically detected?
- Managing Licenses when your Network Proxy Server Requires Credentials
- Setting the Security Protocol in Commands
  You can set TLS (Transport Layer Security) 1.1 or TLS 1.2 as an option in any of the Local License Server commands.
- How to Download the Latest Licensing Software
  The steps that follow describe how to download the latest Proficy Licensing software. Typically, you can download licensing software from the link and instructions provided in the order email. Otherwise, if you have an active Support contract, you can also download the licensing software from the link on the Knowledgebase (KB): https://digitalsupport.ge.com/s/article/Proficy-Licensing-Installer-DN. You will need a user name and password to download files from the email or KB article.
- Error Messages

Updating Common Licensing: USB Key Not Recognized

Rebooting the computer after removing hardware keys can help the License Client recognize the keys during the upgrade process.

The following actions may be required when updating the licensing application:

Remove any hardware keys before installing or upgrading.
If the License Client does not recognize the key:
1. Unplug the hardware key.
2. Reboot the computer.
3. Plug in the key.

The licensing application should then recognize the hardware key.