You reinstall the License Administrator and the License Server to replace your current installation with a fresh copy.
On the License Server, open the Service management console.
In Windows, open the Run dialog box and enter services.msc
Right-click Building Operation x.x License Server .
Select Stop .
Double-click on the License Administrator installation file to start the installation wizard.
Click Yes , to confirm that you want to run the License Administrator installation package.
Click Next .
Make sure that you agree with the End User License Agreement (EULA) and then click I Agree .
Click Next .
Select the components you want to reinstall and then click Next .
Select Uninstall current version before reinstalling to reinstall the current License Administrator installation.
Click Next .
In the License Server Address box, type @ and then type the address to the license server.
If the License Server uses a port other than the default port range 27000-27009, type the port number in front of @. For example, 567@localhost.
Use a semicolon to separate addresses to different License Servers.
Click Install .
Click Next .
Click Finish .