Windows Server 2003 and Windows XP clients cannot obtain certificates from a Windows Server 2008-based certification authority (CA) if the CA is configured to use SHA2 256 or higher encryption

https://hotfixv4.trafficmanager.net/Windows%20XP/sp4/Fix251294/2600/free/375561_JPN_i386_zip.exe
(WindowsXP-KB968730-x86-JPN.exe)

https://hotfixv4.trafficmanager.net/Windows%20Server%202003/sp3/Fix262679/3790/free/375515_JPN_i386_zip.exe
(WindowsServer2003-KB968730-x86-JPN.exe)



Windows Server 2003 の SHA-TLS_RSA_WITH_AES_128_CBC_SHA AES128 および TLS_RSA_WITH_AES_256_CBC_SHA AES256 SHA の AES 暗号スイートのサポートを追加できる更新プログラムがリリースされました

https://hotfixv4.trafficmanager.net/Windows%20Server%202003/sp3/Fix192447/3790/free/351447_JPN_i386_zip.exe
(WindowsServer2003-KB948963-x86-JPN.exe)