LogonUser()在2003里面可以顺利调用，但是在2000里面缺少SE_TCB_NAME权限。资料上的说明建议从一个采用本地用户帐号运行的服务里面去调用，我不太理解，我的目标是能在WIONDOWS 2000上也能调用这个函数，请教该怎么弄。。
The LogonUser API has been available and documented since Windows NT 3.51, and is commonly used to verify user credentials. This API is available on Windows NT, Windows 2000, and Windows XP. Unfortunately, there are some restrictions on using LogonUser that are not always convenient to satisfy. The first and biggest of these restrictions is that on Windows NT and Windows 2000, the process that is calling LogonUser must have the SE_TCB_NAME privilege (in User Manager, this is the "Act as part of the Operating System" right). The SE_TCB_NAME privilege is very powerful and should not be granted to any arbitrary user just so that they can run an application that needs to validate credentials. The recommended method is to call LogonUser from a service that is running in the local system account, because the local system account already has the SE_TCB_NAME privilege.
The LogonUser API has been available and documented since Windows NT 3.51, and is commonly used to verify user credentials. This API is available on Windows NT, Windows 2000, and Windows XP. Unfortunately, there are some restrictions on using LogonUser that are not always convenient to satisfy. The first and biggest of these restrictions is that on Windows NT and Windows 2000, the process that is calling LogonUser must have the SE_TCB_NAME privilege (in User Manager, this is the "Act as part of the Operating System" right). The SE_TCB_NAME privilege is very powerful and should not be granted to any arbitrary user just so that they can run an application that needs to validate credentials. The recommended method is to call LogonUser from a service that is running in the local system account, because the local system account already has the SE_TCB_NAME privilege.
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