We have a single domain network with several remote computers accessing the network via point-to-point wireless or via VPN through DSL. Each remote site has 2-3 computers but no servers - the domain controllers and DNS servers are at the corporate office. They all have domain logins (no local logins). When the point-to-point is up, all is well.....they can all access a certain folder that only resides on only one PC at each remote site. However, when the link goes down, everything quits working. The login takes several minutes to complete, and when they try to access the folder that is on the other PC (but within the same remote site), they get an error: " There are currently no logon servers available to service the logon request". They can't even print to the printer that is local on one of the PCs.
I need each of the remote sites to continue operating within their site even when the link back to corporate goes down. Having no email or Internet is fine during down times, but they have to be able to talk to each PC within their site whenever the link goes down. I can't put a Domain Controller at each site, and I'm running out of ideas. We never had a problem when we used to set up the users to log on locally, but we don't want to go back to that. The link has gone down at least once a day for 3 days straight, and the customers are getting irate. Is it a WINS issue? DNS? Any help would be greatly appreciated.