Deactivate on-premises licenses

License deactivation releases license rights from a license server. When you deactivate licenses, your license server contacts the activation server at Trimble, and the license rights are transferred away from your Tekla license server.

The activation server at Trimble keeps track of the activation status of your licenses. Two versions of the same license cannot be active at the same time.

After you deactivate a license, you can activate a new version of the same license or activate the same license on different hardware.

When you need to deactivate licenses

Before you upgrade or reinstall the operating system, or before you change the hardware components of any computer that has a license server installation with active licenses.
Before you activate a replacement license, including licenses that entitle you to run a new version of Tekla Structures, and replacement licenses for any temporary licenses.
Before you activate the same license on a different license server, for example, when you want to change from one license server computer to another.
Before you change the IP address on the license server computer.
Before you format the hard drive of or decommission your server computer.

You do not need to deactivate licenses before uninstalling and reinstalling the Tekla license server software.

Deactivate on-premises licenses

Use the Tekla License Administration Tool to deactivate on-premises licenses.

Internet access is required in license deactivation.
Deactivation must be done on the license server that contains the active license. If your license server fails and cannot be recovered, contact your local support for assistance.

Make sure that all borrowed licenses are returned.
On the Windows Start menu, start the Tekla License Administration Tool app with administrator rights.
In the Tekla License Administration Tool dialog box, go to the Statistic tab and ensure that no one is using the licenses.
If you have not activated the automatic server notifications (the Notify Server option in Tekla License Administration Tool), you need to stop the license server manually in LMTOOLS:
1. On the Windows Start menu, go to Tekla Licensing > LMTOOLS > .
2. Start LMTOOLS with administrator rights.
3. On the Service/License File tab, ensure that Configuration using services and Tekla Licensing Service are selected.
4. Go to the Start/Stop/Reread tab and click Stop Server.
In Tekla License Administration Tool, go to the Licenses tab.

The Activated Licenses area lists the active licenses.
Select the Deactivate check box to select the license for deactivation.

If you activated more than one license of the same type at the same time, you cannot deactivate individual licenses. You must deactivate all the licenses at the same time.
The Deactivate button is activated. Click it.

The license server contacts the activation server at Trimble. Internet access is required at this stage. After a successful deactivation you see the license successfully deactivated message, and the Tekla License Administration Tool is updated to reflect the deactivation.

Deactivate on-premises licenses manually on the command line

Manually deactivating licenses on the command line is an alternative to deactivating the licenses using the Tekla License Administration Tool.

Internet access is required for license deactivation. When you deactivate licenses, the license server at your company contacts the activation server at Trimble through the internet.
You must deactivate licenses on the license server where the licenses are active. If your license server fails and cannot be recovered, contact your local support for assistance.

You might need to open the command line with administrator rights. Commands are case-sensitive.

On the command line, change to the Tekla on-premises license server installation folder.

By default, the folder is C:\TeklaStructures\License\Server.
To find the fulfillment ID of the license that you want to deactivate, enter this command:
```
Serveractutil –view
```
A list of all the activated licenses on your server is shown. The fulfillment ID is the string after Fulfillment ID:

For example:
```
Fulfillment ID: FID_4ae95880_139543d397b__714b
```

To deactivate the license, enter this command:

serveractutil -return <fulfillment_id>  –commServer https://activate.tekla.com:443/flexnet/services/ActivationService?wsdl

Replace <fulfillment_id> with the fulfillment ID of the license that you want to deactivate.

For example:

serveractutil -return FID_fbe70ea_139e4fcae9__7961  –commServer https://activate.tekla.com:443/flexnet/services/ActivationService?wsdl

When the license has been successfully deactivated, this message is shown:

Status: 11, Done
SUCCESSFULLY SENT RETURN REQUEST