Well, it turns out that ISAPI_Rewrite cannot do what I'm trying to do, because it would CHANGE the url.
So we'll either go the subdomain route (easy) or the virtual directory route (a little more troublesome just because we'd have a site with thousands of virtual directories, and I'm not sure how well that would scale) Rick ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Adobe® ColdFusion® 8 software 8 is the most important and dramatic release to date Get the Free Trial http://ad.doubleclick.net/clk;207172674;29440083;f Archive: http://www.houseoffusion.com/groups/cf-talk/message.cfm/messageid:314394 Subscription: http://www.houseoffusion.com/groups/cf-talk/subscribe.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=11502.10531.4

