Bob is that on the client NIC or the server NIC. We disabled IP chimney on the server NIC, as we were getting sevier performance issues but we got 150 user now with no issues apart form these 2 pc's
Graeme On Tue, Feb 26, 2008 at 4:21 PM, Bob Fronk <[EMAIL PROTECTED]> wrote: > Try disabling Receive Side Scaling on the NIC. > > > > Also google IP Chimney disable. > > > > > > > > Bob Fronk > > > > > > > > *From:* Graeme Carstairs [mailto:[EMAIL PROTECTED] > *Sent:* Tuesday, February 26, 2008 10:21 AM > *To:* MS-Exchange Admin Issues > *Subject:* Re: unusual slowness in some mailboxes from some client PC's > > > > Additional information. > > We have found that if we configure Outlook anywhere to use http on both > fast and slow networks Outlook works correctly. > > I think there may be an RPC/MAPI problem. > > Can any one suggest how we trouble shoot this. > > Thanks > > Graeme > > On Tue, Feb 26, 2008 at 2:33 PM, Graeme Carstairs <[EMAIL PROTECTED]> > wrote: > > We are running Exchange 2007, and since yesterday 3 pc's are slow at > accessing mailboxes, so slow that in their mailbox it works ok until it > comes time to send mails (this is because of cached mode). > But sending mails takes upwards of 5 minutes, with the notification area > outlook icon showing constant lose and regain of connection to the server. > > Also if they then go to look at public folders it takes upto 10 mins for > the folder list to be displayed. > > The mailboxes are ok on other peoples PC's. > > I have tried Office repair, with no faults. > > Also on one box I have completly blitzed the users windows profile, > recreated the user accounts and still the problem persists. > > The affected PC's have no issues accessing the rest of the servers on our > network, so I am really confused as to whats happening. > > There are no errors in the exchange server or on the client PC to point me > in the direction of an issue. > > Thanks in advance > > Graeme > > > -- > "Good News Everyone, you just received an e-mail from me." > > > > > > > -- > "Good News Everyone, you just received an e-mail from me." > > > > This email and any attached files are confidential and intended solely for > the intended recipient(s). If you are not the named recipient you should not > read, distribute, copy or alter this email. Any views or opinions expressed > in this email are those of the author and do not represent those of the > Davis H. Elliot Company . Warning: Although precautions have been taken to > make sure no viruses are present in this email, the company cannot accept > responsibility for any loss or damage that arise from the use of this email > or attachments. > > > -- "Good News Everyone, you just received an e-mail from me." ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~