Re: AD 1384 error - too many security ids
From: Dean Wells [MVP] (dwells_at_mask.msetechnology.com)
Date: 12/29/04
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Date: Tue, 28 Dec 2004 19:36:52 -0500
The max. SID limit is imposed by a number of performance related issues.
As Doug says, it is indeed hard coded (though that limit is technically
1024 less ~9 default well-known principals) ... the hard coding is
imposed to prevent the potential performance problems that would be
caused by exploding tokens to a size where the authorization model
would, simply stated, break down (keep in mind that the authorization
model is used throughout Windows, Microsoft Services and 3rd party
apps./services). Delegation also affects the ticket ( or ~token) size
and can be offset by increasing the default max. token-size but this
provides no work-around to the ~1000 SID limitation. Finally, the
available DC and client OSs don't help in this context either.
In short, you will (as you suggested) need to redesign your security
model accordingly :(
-- Dean Wells [MVP / Directory Services] MSEtechnology [[ Please respond to the Newsgroup only regarding posts ]] R e m o v e t h e m a s k t o s e n d e m a i l Craig Fleming wrote: > Thanks for the responses Doug. > > I'm assuming this is due to the underlying SAM that AD sits on top of? > > I guess we will have to rework the secuity model to limit the group > membership. > > > "Doug Frisk" wrote: > >> "Craig Fleming" <CraigFleming@discussions.microsoft.com> wrote in >> message news:7B66A7D7-96C0-4D1A-9165-500565CF5E11@microsoft.com... >>> The application has been constructed using Windows 2000 native mode >>> which allows groups in groups. The nesting of the groups is what >>> is causing us to >>> reach this limit. We are using an business model specific security >>> model based on AD. >>> >>> Any word on whether this limitation will be extended in future >>> versions of AD or possibly ADAM? >> >> It's not an AD limitation. The limitation is on the size of your >> access token, it's an NT or LanManager limitation.
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