Thank you very much for trying to help me.

Let me give more details...
Currently I am running the Server as Service with SYSTEM a/c. And I am
running the client also on the same m/c where the service is running,
however logged-in as USER1.

When I check (via OutputDebugString) the user name using GetUserName();
before CoImpersonateClient call, I get 'SYSTEM',
and after CoImpersonateClient call, I get 'USER1'
I also verified impersonation by using OpenThreadToken, GetTokenInformation
and LookupAccountSid function calls and found alright as per my limited
knowledge.
However SHGetSpecialFolderLocation gives me 'C:\WINNT\Profiles\Default
User\Application Data' where as I am expecting
'C:\WINNT\Profiles\USER1\Application Data'.

For me the problem looks like with SHGetSpecialFolderLocation under NT4 or
some thing extra I should do to make it work. As I said in my previous mail,
Every thing is working fine under Win2K.

I have to use few other SHELL APIs, so please suggest any think that I need
to do to make it work under NT4.

Thanks a lot!
Ramana

-----Original Message-----
From: Distributed COM-Based Code [mailto:DCOMDISCUSS.MICROSOFT.COM]On
Behalf Of Robert Szasz
Sent: 23 October 2001 15:37
To: DCOMDISCUSS.MICROSOFT.COM
Subject: Re: SHGetSpecialFolderLocation is returning a wrong path in a
COM obj when Server is running as SERVICE under NT4, SP6 ...

I'm not familiar with the SHGetSpecialFolderLocation API but....
        Your call to CoImpersonateClient leads me to think that the
information you want is specific to the user making the (DCOM) call and
maybe the data you want is stored in the the user's registry hive. If this
is so then the user's registry hive would need to be loaded on the machine
where the service is running.

R O B !

-----Original Message-----
From: Ramana Ulluri [mailto:ramanaLINQUP.CO.UK]
Sent: 23 October 2001 14:04
To: DCOMDISCUSS.MICROSOFT.COM
Subject: SHGetSpecialFolderLocation is returning a wrong path in a COM
obj when Server is running as SERVICE under NT4, SP6 ...

Hi,

Can any one help me in the following scenario...

I've COM component which try to get user's application data folder using
SHGetSpecialFolderLocation and SHGetPathFromIDList.
The COM Server runs as a Service. Every thing works fine under Win2K.
However under NT4, SP6 the component gets Default User's path instead of
currently logged-on user's.

Here is the main lines of code that works fine under Win2K, but gives wrong
results under NT4 when the COM server is running as a Service:

hr = CoImpersonateClient();
hr = SHGetMalloc(&pMalloc);
hr = SHGetSpecialFolderLocation(NULL, CSIDL_APPDATA, &pidlRoot);
fRet = SHGetPathFromIDList(pidlRoot, (LPSTR)lptszPath);
pMalloc->Free(pidlRoot);
pMalloc->Release();
CoRevertToSelf();

Client side I have taken care to grant RPC_C_IMP_LEVEL_IMPERSONATE level of
trust.

I hope I am clear.

Any suggestions?

Thanks,
Ramana

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