Define "automatic". The failover from one GC to another can sometimes take a while. I think that up to 15 minutes was the figure that I remember.
Ben Winzenz Microsoft Exchange MVP Network Engineer Gardner & White Ph (317) 843-3418 -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Pitt, Jeffrey Sent: Monday, April 05, 2004 6:51 AM To: Exchange Discussions Subject: RE: Rebooting 1 DC/GC causes Exchange 2000 users to lose access It is supposed to be automatic but most of the time it is not. We just go into Exchange manager and delete the GC that is having the problem. Then rediscovery happens and it starts to work again. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Fyodorov, Andrey FTL Sent: Monday, April 05, 2004 9:39 AM To: Exchange Discussions Subject: RE: Rebooting 1 DC/GC causes Exchange 2000 users to lose access We had this issue at Spherion, it even caused our Exchange 2000 clusters to fail over. We had them all set to automatically discover domain controllers, but that did not matter. I can't remember off the top of my head what we did to rectify this issue. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Cook, David A. Sent: Sunday, April 04, 2004 12:44 PM To: Exchange Discussions Subject: RE: Rebooting 1 DC/GC causes Exchange 2000 users to lose access In ESM on the properties of the server look at the Directory Access tab. Is that set to "Automatically discover servers"? If it is then have you tested to see if Exchange becomes available after a short period of the one DC/GC being offline? I believe if Exchange is using a DC/GC that goes offline then it will take 5 minutes to fail over to begin using another DC/GC. Try bringing down the one DC/GC and then look at the directory access tab to see if still show the down server. If it does see if you can specify the server that is available. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jeffrey Dubyn Sent: Saturday, April 03, 2004 9:45 PM To: Exchange Discussions Subject: Rebooting 1 DC/GC causes Exchange 2000 users to lose access I have a customer with a Windows 2000/Exchange 2000 environment. In their main office, they have 2 DC's that are both GC's. When they reboot one of the DC's, all users lose access to the lone Exchange 2000 server. If they have Outlook already open, it hangs. If Outlook is not open, when they try and open it, Outlook hangs. Once the DC comes back online, all is well. This DC was upgraded from NT 4.0 and was the first DC in the environment - as such, it holds all FSMO roles. If another GC is available on the same subnet, any reason why everyone loses access to mail? 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