初次安装exchange 2003 老是提示:安装程序在安装子组件 NNTP 失败

安装日志如下:

[16:01:54] 正在开始 安装 子组件“NNTP Service”
[16:01:54] Entering CBaseServiceAtom(NNTP Service)::ScRemove
[16:01:54] Entering CBaseServiceAtom(NNTP Service)::ScStopAtomServices
[16:01:54] Leaving CBaseServiceAtom(NNTP Service)::ScStopAtomServices
[16:01:54] Entering CBaseAtom(NNTP Service)::ScRemove
[16:01:54] Entering CBaseAtom(NNTP Service)::ScRemoveRegistryKeys
[16:01:54] 正在删除 NNTP Service 的注册表项
[16:01:54] Entering CRegistryManager::ScProcessFile
[16:01:54] ++++ 正在启动文件 d:\exchange\exchange\setup\i386\exchange\nntp_reg.uns 的解释器 ++++ -- ID:31258 --
[16:01:54] 正在解释行 <UnRegisterDLL:C:\Program Files\Exchsrvr\bin\nntpex.dll> -- ID:31259 --
[16:01:54] 正在解释行 <CreateProcessSafe:C:\WINDOWS\system32\inetsrv;regsvr32 /s nntpsnap.dll;180000> -- ID:31259 --
[16:01:54] Process created ... waiting (180000)
[16:01:54] Ignoring exit code 00000000
[16:01:54] Leaving CRegistryManager::ScProcessFile
[16:01:54] Leaving CBaseAtom(NNTP Service)::ScRemoveRegistryKeys
[16:01:54] Entering CAtomNNTP::ScRemoveDSObjects
[16:01:54] 正在删除 NNTP Service 的 Active Directory 对象
[16:01:54] Entering CDirectoryManager::ScDeleteDSObject
[16:01:54] Leaving CDirectoryManager::ScDeleteDSObject
[16:01:54] Leaving CAtomNNTP::ScRemoveDSObjects
[16:01:54] Entering CBaseAtom(NNTP Service)::ScRemoveShortcuts
[16:01:54] Leaving CBaseAtom(NNTP Service)::ScRemoveShortcuts
[16:01:54] Entering CAtomNNTP::ScRemoveMetabaseKeys
[16:01:54] 正在删除 NNTP Service 的 IIS 元数据库对象
[16:01:54] Entering CAtomNNTP::ScRevertNNTPInMetabase
[16:01:54] CAtomNNTP::ScRevertNNTPInMetabase (f:\titanium\admin\src\udog\exsetdata\components\server\a_nntp.cxx:694)
Error code 0XC103072B (1835): 元数据库属性不存在。
[16:01:54] Leaving CAtomNNTP::ScRevertNNTPInMetabase
[16:01:54] Entering CAtomNNTP::ScRemoveAdminACL
[16:01:54] CAtomNNTP::ScRemoveAdminACL (f:\titanium\admin\src\udog\exsetdata\components\server\a_nntp.cxx:787)
Error code 0XC103072B (1835): 元数据库属性不存在。
[16:01:54] Leaving CAtomNNTP::ScRemoveAdminACL
[16:01:54] Entering CAtomNNTP::ScSetServiceVersion
[16:01:54] Changed property /LM/NNTPSVC/NntpServiceVersion to 5
[16:01:54] Leaving CAtomNNTP::ScSetServiceVersion
[16:01:54] Entering CAtomNNTP::ScRevertAuthenticationSettingsInMetabase
[16:01:54] CAtomNNTP::ScRevertAuthenticationSettingsInMetabase (f:\titanium\admin\src\udog\exsetdata\components\server\a_nntp.cxx:974)
Error code 0XC103072B (1835): 元数据库属性不存在。
[16:01:54] Leaving CAtomNNTP::ScRevertAuthenticationSettingsInMetabase
[16:01:54] Leaving CAtomNNTP::ScRemoveMetabaseKeys
[16:01:54] Leaving CBaseAtom(NNTP Service)::ScRemove
[16:01:54] Entering CAtomNNTP::ScDeleteAtomServices
[16:01:54] 安装程序正在配置服务 NNTPSvc。
[16:01:54] Leaving CAtomNNTP::ScDeleteAtomServices
[16:01:54] Leaving CBaseServiceAtom(NNTP Service)::ScRemove
[16:01:54] Entering CAtomNNTP::ScAdd
[16:01:54] Entering CBaseServiceAtom(NNTP Service)::ScAdd
[16:01:54] Entering CAtomNNTP::ScCreateAtomServices
[16:01:54] Leaving CAtomNNTP::ScCreateAtomServices
[16:01:54] Entering CBaseAtom(NNTP Service)::ScAdd
[16:01:54] Entering CBaseAtom(NNTP Service)::ScAddRegistryKeys
[16:01:54] 正在为 NNTP Service 配置注册表项
[16:01:54] Entering CRegistryManager::ScProcessFile
[16:01:54] ++++ 正在启动文件 d:\exchange\exchange\setup\i386\exchange\nntp_reg.ins 的解释器 ++++ -- ID:31258 --
[16:01:54] 正在解释行 <RegisterDLL:C:\Program Files\Exchsrvr\bin\nntpex.dll> -- ID:31259 --
[16:01:54] CInsParser::ScProcessLine (f:\titanium\admin\src\libs\exsetup\hiddenw1.cxx:1225)
Error code 0XC00700C1 (193): EXE 格式不正确
[16:01:54] 正在处理文件“d:\exchange\exchange\setup\i386\exchange\nntp_reg.ins”，位于或临近第 9 行(RegisterDLL:C:\Program Files\Exchsrvr\bin\nntpex.dll) -- ID:31111 -- CInsParser::ScProcessLine (f:\titanium\admin\src\libs\exsetup\hiddenw1.cxx:492)
Error code 0XC00700C1 (193): EXE 格式不正确
[16:01:54] Registry file name: 'd:\exchange\exchange\setup\i386\exchange\nntp_reg.ins' CRegistryManager::ScProcessFile (f:\titanium\admin\src\udog\setupbase\tools\regmgr.cxx:125)
Error code 0XC00700C1 (193): EXE 格式不正确
[16:01:54] Filename = 'd:\exchange\exchange\setup\i386\exchange\nntp_reg' CBaseAtom::ScAddRegistryKeys (f:\titanium\admin\src\udog\setupbase\basecomp\baseatom.cxx:1408)
Error code 0XC00700C1 (193): EXE 格式不正确
[16:01:54] CBaseAtom::ScAdd (f:\titanium\admin\src\udog\setupbase\basecomp\baseatom.cxx:939)
Error code 0XC00700C1 (193): EXE 格式不正确
[16:01:54] Service = 'NNTPSvc' CBaseServiceAtom::ScAdd (f:\titanium\admin\src\udog\setupbase\basecomp\basesvcatom.cxx:210)
Error code 0XC00700C1 (193): EXE 格式不正确
[16:01:54] Leaving CBaseServiceAtom(NNTP Service)::ScAdd
[16:01:54] CAtomNNTP::ScAdd (f:\titanium\admin\src\udog\exsetdata\components\server\a_nntp.cxx:113)
Error code 0XC00700C1 (193): EXE 格式不正确
[16:01:54] Leaving CAtomNNTP::ScAdd
[16:01:54] mode = '安装' (61953) CBaseAtom::ScSetup (f:\titanium\admin\src\udog\setupbase\basecomp\baseatom.cxx:842)
Error code 0XC00700C1 (193): EXE 格式不正确

望哪位高手指点.