Sierra MC8781, reintstall windows

[VNU820]

Hi.

I have a Fujitsu U820 and use dc-unlocker unlock MC8781. It works fine but now due to my company have problem with Vista and I have to reinstall Vista Window. Is it ok after I reinstall Vista, and do I have to unlock MC8781 agian? Thanks

[Arunas]

Unlock is permanent, once you unlocked, you can upgrade firmwares, reinstall software, install windows, move modem to other pc and etc.