Knowledge Base

Category » License Questions

There were 16 articles found in this category:

1. How to generate a product key
   This page in products: Bind domain Unbind domain v10 or earlier For trial users, please contact support[at]dynamsoft.com to get a new product key, and jump directly to step #III. For paid users, please follow the steps below. Get License Keys For paid customers, you should get an email with ...
2. Error message: The License Number is for trial version. Please use a full version License Number.
   This article applies to the following Dynamsoft image acquisition SDKs. Dynamic Web TWAIN ActiveX Edition Dynamic Webcam SDK ActiveX Edition ImageCapture Suite ActiveX Edition Symptoms: When you generate the LPK file using "lpk_tool.exe" or run an application using Dynamsoft ActiveX contro ...
3. What can I do when the trial version is expired?
   You can send a mail to our support team at twainsupport@dynamsoft.com and ask for an extended license. We will be more than happy to extend the license for you. To use the extended license, please delete the expired license in "Licensing Tool" and then add the extended one. "Licensing Tool" can ...
4. Do I need a separate license for a test environment?
   [Deprecated] Every developer working on TWAIN programming needs a Developer License. For people working on the testing, please look at the following cases to see which is right for you: 1. The developers and testers work on the TWAIN application at the same time. In this case, you will need a D ...
5. What are the differences between Developer License and Web Server License?
   [Deprecated] Developer License: Developer License is for development. Every developer working on TWAIN programming needs a Developer License. For example, if you have 3 developers working on Dynamic Web TWAIN, you need 3 Developer licenses. Web Server License: Web Server License is for Web se ...
6. Error message: Your License Number is empty or it's invalid. (v8 or older)
   Symptom: When you generate the LPK file or run an application containing Dynamsoft image acquisition SDK, you may receive the following error message:  Cause: This problem may occur in the following conditions: The error occurs when entering serial number. The error occurs when generating L ...
7. Error message: Your trial license has expired
   Symptoms: When you access a web page or run an application containing Dynamsoft image acquisition SDK, you may receive the following message: Cause: The license of the trial version has expired. Resolution: 1. Send an email to Catherine@dynamsoft.com to ask for an extended trial license. ...
8. Licensing Model for Dynamic Web TWAIN and ImageCapture Suite
   This article applies to Dynamic Web TWAIN and ImageCapture Suite. EditionsBoth products have three editions: ActiveX Edition, Plug-in Edition and Mac Edition. ActiveX Edition is for use in IE (both 32bit and 64-bit) on Windows; Plug-in Edition is for Firefox, Google-Chrome, etc. on Windows; Mac ...
9. How to install "Microsoft Licensed Class Manager 1.0" on my computer?
   Generally, the Microsoft Licensed Class Manager is an ActiveX control that is installed with Internet Explorer. To check if Microsoft Licensed Class Manager is installed in IE, please open the Manage Add-ons box that can be launched from menu Tools -> Manage add-ons. Some IE versions may not ...
10. Error message: Unable to create temporary Storage
    Symptom: When creating a LPK file using Lpk_tool.exe in Windows Vista, you may get the following error message: Cause: You don't have the permission to create a LPK file. Solution: To create a LPK file in Windows Vista, please right click Lpk_tool.exe and run the EXE file as administrator.
11. [Troubleshooting] Error Messages About Your License
    This page in versions: 10.x 9.0 to 9.2 8.0 or older Symptom: When you click on the Scan button on your scan page, you may receive one of the following errors about your license: #1. Your License Number is empty or it’s invalid #2. The trial license for Web TWAIN ActiveX has expired #3. The tri ...
12. How to use Web Server License?
    This page in versions: 9.0 or above 8.0 or older Dynamic Web TWAIN Web Server License is used for web deployment. Based on customers' feedback, Dynamsoft improved Dynamic Web TWAIN licensing strategy and protection. LPK file and LPK_tool.exe (for ActiveX) are no longer required. Instead, all ...
13. Cloud-Based license for Dynamic Web TWAIN
    Please refer to: http://www.dynamsoft.com/Products/image-capture-sdk-cloud-based-license.aspx
14. Dynamic Web TWAIN Web Server License Terms
    Dynamic Web TWAIN is licensed per web server. Once licensed, the number of end users is not limited. A Web Server License is required per domain (i.e., top-level or second-level domain) per server (i.e., physical or Virtual server). For example, you will need 2 web server licenses to deploy th ...
15. Is Dynamic Web TWAIN license royalty free?
    If you are developing a desktop application, it is royalty free to distribute the application. If you are developing a web application, then you will need one Web Server License for each deployment. Your customers can visit your web page unlimitedly after deploying successfully. References: To p ...
16. How to remove "DynamicWebTwain Class" from "C:\Windows\Downloaded Program Files"?
    Please follow the steps below to remove "DynamicWebTwain Class" from "C:\Windows\Downloaded Program Files": 1. Open Internet Explorer(IE). Click menu "Tools -> Manage Add-ons -> Enable or Disable Add-ons -> Add-ons that have been used by Internet Explorer". 2. Highlight "DynamicWebTwain ...