webdav

I get “select the certificate you want to use” error when I try to map a network drive for a https webdav share. 

- Is this problem due to the self signed certificate? If so, the solution might be here:

http://certs.ipsca.com/srvc/Buy.asp

- Is this due to SSL webdav on windows vista? There was an answer and I need to find it again…

- Does this happen on XP too?