Uninstalling the software-based license server

To uninstall the software-based license server, you need to return the license key, stop the software-based license server and UIM server first. Then, run the installer from the root user ID.

Before you uninstall the software-based license server, you need to complete the following steps first.

Return the existing license key by running the steps that are described in Returning a software-based license key.
Stop the software-based license server by using the following command from the root user ID.
```
service aksusbd stop
```
Stop the UIM server by using the command from a non-root user ID.
```
cd /usr/z1090/bin
 ./uimserverstop
```

To uninstall the software-based license server, complete the following steps:

Run the installer from the root-user ID.
```
./ZDT_Install_PS_V14.0.0.x86_64
```
Select 1 for software-based license server.
Select 3 to uninstall.
After the uninstallation completes, run the following command to verify whether the uninstallation is successful.
For the RHEL operating system, run the command.
```
rpm -qa | grep z1091
```
For the UBUNTU operating system, run the command.
```
dpkg -l | grep z1091
```

Alternatively, you can uninstall the software-based license server silently by using the following command.

./ZDT_Install_PS_V14.0.0.x86_64 --uninstall --zdtswlicense