SMB/CIFS support for File:// URLs in CRL Distribution Points: Nuphttp://blogs.technet.com/tristank/archive/2009/03/24/smb-cifs-support-for-file-urls-in-crl-distribution-points-nup.aspxAccording to Brian Komar, CDP and AIA extensions won’t work any more with file://\\server\share URLs as of Windows Vista SP1 / Windows Server 2008. Note : With the release of Windows Vista Service Pack 1, support for Common Internet File System (CIFS)en-AUCommunityServer 2.1 SP1 (Build: 61025.2)