Windows 7 64bit outlook 2007 outlook takes 10 mins to start up

I have an end user that just got his PC rebuilt with windows 7 64 bit and office 2007. All patches have been applied from bios, to windows/ office. When he starts outlook in the morning it takes about 10 minutes for it to display his emails. It hangs up on the outlook screen.

We are running exchange 2003 SP2 and it is local to our LAN. Sometimes it does try to connect to other mail server in our forest.
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Is this computer having any other problems say accessing shares etc? Or just Outlook? Is this only happening to 1 user? Please clarify
It seems Outlook iterates through your forest before it
downloads the post.This is probably some setting that
is either not set properly or it misfires.
You must check the account setting if something got changed
over there (compare to other accounts).
beavis6937Author Commented:
It is happening to random people. So if user (a) has it one week it will go away and user ( b,c,d, e,f ) will have that issue for the next. After over looking all the settings and making sure they all match. I am not able to duplicate the issue manually.

When starting outlook i have tried to go to start - run - outlook /rpcdiag or hold down ctrl and right click on outlook in the system tray. It seems that it might be locking up on public folders.
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Is the location of the Personal Folders\Inbox
folder set right ?
beavis6937Author Commented:

I don't see any PST file at all.

beavis6937Author Commented:
The issue was the NIC card the whole time.

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Try this command, we see this once in a while on Vista and 7 boxes;

Go to Start/All Programs/Accessories

Right click on "Command Prompt"

Click on "Run as administrator"

Type in the following command.  

Netsh interface tcp set global autotuninglevel=disable

It should return the results saying OK. Close the command prompt and open outlook. It should open up right away.
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