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windows domain login over wan

By smurphy@completeitsolutio ·
Hoping to get some feedback from anyone who may be doing or have tried this before. I've got a central office and 6 remote offices running cisco hardware based vpn routers. The links seam very stable. We've been running in a workgroup design up to this point. Most remote offices run a fractional T1 (256k-384k), some run DSL. Main office runs DSL at 3.0M down / 512K up. We want to move to a domain model (we currently only run a domain within the main office). Is it possible to authenticate over such a link? I'm not even going to try and store user documents on the server as I'm sure the links will be to slow. But if we could authenticate to the domain I could run several services I can't run now. One example amoung many is that I could run backups from their local machines to a NAS device then to tape. Any thoughts on performance, or is this a theoretical pipe dream?

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Possible, but

by Cactus Pete In reply to windows domain login over ...

While it could work, you certainly wouldn't want to rely on it, and if you have any significant applications [such as Exchange] working over that link, you'll gets slowness or errors.

You can speed things up a lot by putting in another domain controller at each location with a global catalog and if the link goes down, the users can still work, too.

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