Yes, I agree with doing both. I used a Policy just now to disable the RPC messages for Outlook XP and Outlook 2003 users and am working on the back end to try and find the real problem, unfortunately I've been watching the counters Microsoft suggests monitoring in Performance monitor and all of them fall well under the ranges to be concerned about.
The only counter to really see any high activity is the RPC Operations/Second which averages under 16, but the maximum jumps to 250 occasionally. The RPC Average Latency holds fairly steady at an average of 3 and the RPC Requests average is holding steady at 0 and a maximum of 1. Once in a while I'll see the Average Disk Queue Length spike, but the average stays 0 for the store array (3 drives RAID 5 dedicated to store) when under normal loads. All of this is while users are intermittently seeing the dreaded message. I have also used network monitor to watch for high resend and dropped packets and can't see anything out of the ordinary. None of my other "Network" services have been affected. File and print servers are still performing well, no impact on my SQL or Citrix servers that can be detected. Whatever the culprit is it is definitely isolated to the Outlook/Exchange side of the house. Bob -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Ed Crowley [MVP] Sent: Tuesday, September 14, 2004 2:07 PM To: Exchange Discussions Subject: RE: Outlook "Waiting for Exchange..." dialogs Yeah, Microsoft is damned if they do, damned if they don't--I can't say whether it is better for users to wait for an hourglass or a progress bar. You have two alternatives I can think of, one is to push out the Outlook registry hack to inhibit the "Outlook is waiting" dialog box, or figure out what is causing the delay and fix it. Perhaps you should consider both; at least the Outlook one is something you might be able to do quickly through a logon script. Ed Crowley MCSE+Internet MVP Freelance E-Mail Philosopher Protecting the world from PSTs and Bricked Backups!T -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Reasoner, Bob (PHES) Sent: Tuesday, September 14, 2004 11:58 AM To: Exchange Discussions Subject: RE: Outlook "Waiting for Exchange..." dialogs I just found the "Troubleshoot the RPC cancel request" KB (839862) and am working my way through it. The weird part is that it wasn't happening this frequently about 3 weeks ago then it spiked. I can't find anything in the change logs that we did at the server to cause the spike, but go figure. I think Microsoft used an unfortunate method to notify the users as they all assume something is wrong whereas the 2000 users just had a periodic freeze then went back to working. My support calls have pretty well tripled and the Big Bosses thinks were idiots for not being able to find what caused the spike. Makes me begin to seriously consider just switching them all to OWA and do away with Outlook. Just wish it were possible, but I won't be able to consider it until the parent org runs Exchange 2K3 forestprep etc as there are still too many things about OWA 2000 that I'm not wild about. Oh well, back to the drawing board. Bob -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of John Matteson Sent: Tuesday, September 14, 2004 1:38 PM To: Exchange Discussions Subject: RE: Outlook "Waiting for Exchange..." dialogs That flag has been the cause of more headaches that carter has little pills. The flag will set if the response to a client query takes more than about half a second. The timing is changeable via a registry entry, and can be disabled as well. Check the Microsoft KB for the article that describes the change in detail. Please let your users know that the flag is telling them that Exchange is processing their request and will take a second or three to return the results. They should be happy that the flag is there, as that tells them they really are talking to the server. You will also get the flag if you do a search against your mailbox or against a public folder, even if you have Full Text Indices built on the message databases. John Matteson Geac Global IT group (404) 239 - 2981 Atlanta, Georgia, USA. -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Reasoner, Bob (PHES) Sent: Tuesday, September 14, 2004 2:09 PM To: Exchange Discussions Subject: Outlook "Waiting for Exchange..." dialogs For the last 3 weeks or so all of my clients (ranging through Outlook 2000, XP, and 2003) have started noticing frequent dialog boxes indicating that their client is waiting for the exchange server, synchronizing with the exchange server, or just in general unable to communicate with the exchange server. I can't find any problems with the network itself. The Exchange server is a Dell 2650 Dual processor 2.0 GHz Xeon, Ample space available on boot, log, and store drives, 1Gb RAM. The server is in a Mixed Mode 5.5 admin group and we use Trend AV for Exchange. This server services approximately 500 mailboxes and has 1 Mail store (approx 17 GB, Exchange 2K SP4 Enterprise) 1 public store les than 5 GB. The OS is Win2K SP4 with all hotfixes applied to OS and Exchange. There is a single 5.5 server in the Admin group as well but it doesn't host any mailboxes. This site has connectors to our parent organization, but all the mailboxes are servicing accounts within our local AD subdomain of the Parent forest. We don't have any errors showing up in event viewer, and the only warnings are related to incoming replication of public folder data from our parent's Exchange 5.5 server. Anyone have any tried and true techniques for troubleshooting this type of problem? I have tried changing the ExchangeProvider/RPC_Binding_Order registry Key on some of the clients to "ncalrpc,ncacn_ip_tcp" or reversing those entries to no avail. ________________________________ Bob Reasoner Harris County Public Health & Environmental Services _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&; lang=english To unsubscribe send a blank email to %%email.unsub%% Exchange List admin: [EMAIL PROTECTED] To unsubscribe via postal mail, please contact us at: Jupitermedia Corp. 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