Deactivates a license so that it can be activated on another computer.

To invoke this method via a URL, append this function's name to the URL of the QLM License Server and add the required arguments.

http://yourserver/yourvirtualdirectory/qlmservice.asmx/ReleaseLicenseHttp?is_avkey=[activationKey]&is_pcid=[computer ID]&is_vendor=[eCommerce provider]


is_avkeyactivation key
is_deacivation_codedeactivation code generated when deactivating offline
is_logReleaseflag that determines whether the release will be logged in the history table. If you are using cloud based floating licenses, you should set this argument to false to prevent bloating of the history table.
is_pcidUnique identifier of the computer
is_pwdpassword defined for the selected eCommerce provider (optional)
is_userusername defined for the selected eCommerce provider (optional)
is_vendorOne of the supported vendors

Related Server Properties

  • enableReleaseKeyHttp: Allows users to release (de-activate) a license via an http call.
  • releaseLicenseRequiresAuthentication: By default, releasing (de-activating) a license via the ReleaseLicenseHttp method requires the user to authenticate. This property allows you to relax this requirement and invoke ReleaseLicenseHttp without authentication.
  • releaseLicenseRequiresVerificationCode: Specify whether a deactivation verification code is required when calling ReleaseLicenseHttp. The deactivation verification code is required if you enable the Server Property options / releaseLicenseRequiresVerificationCode. The deactivation code is the MD5 hash value of the following concatenated strings: Activation Key (without dashes)|ComputerID|CommunicationEncryptionKey|Current date (yyyy-MM-dd)