我在关注微软的 在Windows Server中为AD FS构建自定义认证方法 指南，为ADFS构建一个自定义的身份验证提供商，我在部署步骤，其中规定。
适配器提供商必须提供一个安装程序来执行必要的安装操作，包括在GAC中的安装，并且安装程序必须支持在AD FS中注册。
我成功地使用WiX将适配器安装到GAC中，并使用PowerShell将其手动注册到ADFS中，但当我试图让WiX通过一个 "自动 "程序将提供商注册到ADFS中时，我从Windows安装程序中得到一个错误。CustomAction: Error 1721. There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor.
完整的日志如下所示。
MSI (s) (E4:78) [10:02:27:412]: Executing op: ActionStart(Name=RegisterAdfsProvider,,)
MSI (s) (E4:78) [10:02:27:413]: Executing op: CustomActionSchedule(Action=RegisterAdfsProvider,ActionType=3106,Source=C:\,Target=Register-AdfsAuthenticationProvider -TypeName "MyAuthenticationAdapter.MyAdapter, MyAuthenticationAdapter, version=1.0.0.0, culture=neutral, publicKeyToken=D006C127CE4A16A7, processorArchitecture=MSIL" -Name MyAuthenticationProvider,)
MSI (s) (E4:78) [10:02:27:416]: Note: 1: 1721 2: RegisterAdfsProvider 3: C:\ 4: Register-AdfsAuthenticationProvider -TypeName "MyAuthenticationAdapter.MyAdapter, MyAuthenticationAdapter, version=1.0.0.0, culture=neutral, publicKeyToken=D006C127CE4A16A7, processorArchitecture=MSIL" -Name MyAuthenticationProvider
MSI (s) (E4:78) [10:02:27:416]: Note: 1: 2205 2: 3: Error
MSI (s) (E4:78) [10:02:27:416]: Note: 1: 2228 2: 3: Error 4: SELECT `Message` FROM `Error` WHERE `Error` = 1721
MSI (c) (0C:B0) [10:02:27:429]: Font created. Charset: Req=0, Ret=0, Font: Req=MS Shell Dlg, Ret=MS Shell Dlg
Error 1721. There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor. Action: RegisterAdfsProvider, location: C:\, command: Register-AdfsAuthenticationProvider -TypeName "MyAuthenticationAdapter.MyAdapter, MyAuthenticationAdapter, version=1.0.0.0, culture=neutral, publicKeyToken=D006C127CE4A16A7, processorArchitecture=MSIL" -Name MyAuthenticationProvider
MSI (s) (E4:78) [10:02:28:198]: Note: 1: 2205 2: 3: Error
MSI (s) (E4:78) [10:02:28:198]: Note: 1: 2228 2: 3: Error 4: SELECT `Message` FROM `Error` WHERE `Error` = 1709
MSI (s) (E4:78) [10:02:28:198]: Product: MyAuthenticationAdapter -- Error 1721. There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor. Action: RegisterAdfsProvider, location: C:\, command: Register-AdfsAuthenticationProvider -TypeName "MyAuthenticationAdapter.MyAdapter, MyAuthenticationAdapter, version=1.0.0.0, culture=neutral, publicKeyToken=D006C127CE4A16A7, processorArchitecture=MSIL" -Name MyAuthenticationProvider
Action ended 10:02:28: InstallFinalize. Return value 3.
如果我从日志中复制命令，然后在PowerShell中手动运行，它就会成功完成。我在PowerShell中的代码 .wxs 文件如下。
<SetProperty Id="ADFS_PROVIDER_TYPE_NAME"
Value="MyAuthenticationAdapter.MyAdapter, !(bind.assemblyFullName.MyAuthenticationAdapter)"
Before="RegisterAdfsProvider"
Sequence="execute"/>
<CustomAction Id="RegisterAdfsProvider"
Directory="TARGETDIR"
ExeCommand="Register-AdfsAuthenticationProvider -TypeName "[ADFS_PROVIDER_TYPE_NAME]" -Name MyAuthenticationProvider"
Execute="deferred"
Impersonate="no"/>
<InstallExecuteSequence>
<Custom Action="RegisterAdfsProvider" Before="InstallFinalize">NOT Installed AND NOT REMOVE~="ALL"</Custom>
</InstallExecuteSequence>
我的WiX文件有什么问题导致在安装过程中出现这个错误？
原来的错误是正确的。我通过几种不同的执行命令的方法，才意识到我试图运行的命令实际上是一个PowerShell Cmdlet，它不能被执行，虽然 ExeCommand 属性的CustomAction。我是通过运行 gcm "Register-AdfsAuthenticationProvider" 在PowerShell中，得到这样的输出。
CommandType Name Version Source
----------- ---- ------- ------
Cmdlet Register-AdfsAuthenticationProvider 1.0.0.0 ADFS