Download copy of DVD ISO disc image for Windows Vista with Service Pack 1 or Windows Server 2008 from file sharing sites via Bit Torrent or eD2K network, and unsure of its authenticity or originality? A lot of downloads from Internet have been modified by the uploaders or even some are fake version purposely uploaded to confuse downloaders. Thus, it’s important to compare and verify the hash values of the downloaded files with the official version to ensure that what you get is indeed what you want.

Secure cryptographic hash functions is normally used to ensure the integrity of files. Two hash functions most commonly used is SHA-1 and MD5. Microsoft does provide SHA1 hash codes for most of its downloadable setup and installation files. Here’s the screenshots of the download page and the SHA-1 hash value of the ISO DVD images of 32-bit Windows Vista with Service Pack 1 (contains Ultimate, Business, Home Premium and Home Basic editions), 64-bit Windows Vista with SP1, Windows Vista with Service Pack 1 Enterprise Edition and Windows Server 2008 (contains Data Center, Enterprise and Standard Editions).

Windows Vista with Service Pack 1 (SP1) DVD

Windows Vista SP1
en_windows_vista_with_service_pack_1_x86_dvd_x14-29594.iso
2943MB
bcd715a02739809e477c726ae4b5caa914156429

Windows Vista Enterprise Edition with Service Pack 1 (SP1)

Windows Vista Enterprise SP1
en_windows_vista_enterprise_with_service_pack_1_x86_dvd_x14-55954.iso
2198MB
a06608eda6f20f4d1fadf7946efa09c7de65ad7f

Windows Vista with Service Pack 1 (SP1) Japanese Edition

Windows Vista SP1 Japanese Version
ja_windows_vista_with_service_pack_1_x86_dvd_x14-30745.iso
2803MB
04f7e8cb1f2f6782ba57e4b65cb365055a8b62d1

Windows Vista Enterprise Edition with Service Pack 1 (SP1) Japanese Version

Windows Vista Enterprise SP1 Japanese Version
en_windows_vista_enterprise_with_service_pack_1_x86_dvd_x14-55963.iso
2140MB
f3032516ebcfafd03af886f8d5bc46e4b17ade23

Windows Server 2008 x86 Edition English Version

Windows Server 2008 x86
en_windows_server_2008_datacenter_enterprise_standard_x86_dvd_X14-26710.iso
1794MB
6ca018ff96f1e9b2b310a36546b6fded99a421e6

Windows Server 2008 x64 Edition English Version

Windows Server 2008 x64
en_windows_server_2008_datacenter_enterprise_standard_x64_dvd_X14-26714.iso
2542MB
bd000374709f67e9358814db6ec8f0ddaaa16f70