Re: Erratic access to network resources from service

From: Eugene Gershnik (gershnik_at_hotmail.com)
Date: 09/02/04 

Date: Thu, 2 Sep 2004 02:59:51 -0700

Old Fart wrote:
> I have a service running under the LocalSystem account in a Win2K
> domain.
> It accesses network resources (shares and named pipes) on other
> computers in the domain. The majority of the time this works fine,
> but frequently the service starts getting access denied (error 5) on
> the network resources. Ten minutes later it may start working again.
> I've not yet determined a pattern as to what triggers this situation.
>
> When things are working correctly, I see the expected logins from
> domain\computername$ in the security log of the servers. When things
> are broken, I see anonymous logins from the computer where my service
> is running in the security logs of the servers.
>
> Is there anything my service can do when it gets the access denied
> errors to refresh the credentials of the computer running the
> service? Any other ideas as to what may be going on?

Maybe (and this is just a WAG) your machine looses secure channel to the
domain controller. There is a resource kit utility nltest.exe that can
diagnose these situations. If this is indeed the problem there is an
undocumented API that can fix it but it is better to eliminate the cause. 

--
Eugene

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