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Editorial Team
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Asked: 2026-05-28T13:42:28+00:00

I am using following set of API(C++) to validate a windows user name and

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I am using following set of API(C++) to validate a windows user name and password (domain account) with MS SQL db:

  1. LogonUser
  2. CreateEnvironmentBlock
  3. ImpersonateLoggedOnUser
  4. SQLDriverConnect

It works just fine but problem occurs when a service account (domain account but you cant log-in in windows using it) is used to for validation. it fails in the LogonUser API.

Is there any way in C++ or .net (Framework 2.0) to validate a domain account with MS SQL db without using impersonation mechanism?

Thanks,

Rahul

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1 Answer

  1. Editorial Team

    Maybe instead of using LogonUser, maybe you could try using LogonUserEx it allows you to specify the type of logon you are requesting. With a dwLogonType = LOGON32_LOGON_SERVICE

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