General Request - Can I install my paid forums in more than one domain?

[NiGh10GaLe]

Hello Friends!
I want to install my forums in other domain that I own, so can I do this?
Or this is not legally?

Thank you.

[Dave]

http://www.vbulletin.com/en/license-agreement/

1.4 Domain Use. The Software may only be used on a single website domain. Any modification of the Software intended to circumvent the foregoing is prohibited and will result in revocation of the License. Notwithstanding the foregoing, the License may be transferred to another domain with vBulletin Solutions’ prior written consent and a transfer fee subject to the vBulletin Solutions then current fees.