v10 is compatible with Server 2008 64 bit. Checking on your second two questions...
Before upgrading the operating system, I recommend deactivating your ipMonitor license beforehand as the Unique Machine ID will no longer match the License Key. To deactivate the license, simply use the Solarwinds License Manager. It is available at the following location:
After the operating system upgrade has completed, you may then relicense your ipMonitor installation.
Chris Foley • SolarWinds • Technical Support
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