Resolving names in email stalls computer for up to 30 secs.

Using OL 2003 without Exchange on WXP machine
When entering names in email.  OL stalls for up to 30 secs while resolving names.  i have renamed the *.nk2 file and run scanpst

I have network connections to a mobile device and a VPN (Hamachi) which I suspect may be contributing.

Any ideas?
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lake59Asked:
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raptorjb007Connect With a Mentor Commented:
My fault, I didn't read the question thoroughly enough.

How large is the PST file?

Regarding the VPN, is the PST accessed across the VPN or stored locally on the PC?

You may want to try to deleted the following files, these can also become corrupt or grow rather large and cause performance issues. Restart outlook after removing these files.

c:\Documents and Settings\user\Application Data\Microsoft\Outlook\Outcmd.dat
 c:\Documents and Settings\user\Local Settings\Application Data\Microsoft\Outlook\Extend.dat
 c:\Documents and Settings\user\Local Settings\Application Data\Microsoft\FORMS\Frmcache.dat
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raptorjb007Commented:
It sounds like outlook is browsing the GAL on the server with each lookup. I would recommend enabling outlook cached mode if not already enabled. With cached mode, outlook will check the offline address book and eliminate looking through the GAL over the VPN connection.
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lake59Author Commented:
There is no GAL on the server.  This is a stand alone outlook using a pst.  No exchange
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lake59Author Commented:
local pst that is ~ 1GB
I did do the Outcmd.dat yesterday
will try the other two tomorrow.
Thanks.  i'll let u know whether it works.
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raptorjb007Commented:
Any luck?
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lake59Author Commented:
Yes!  It looks like one of the last two files you listed could have done the trick.  What do these files do?
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raptorjb007Commented:
The Extend.dat file is a binary file that caches registry entries for third-party product extensions.
-source (http://support.microsoft.com/kb/820671)

Frmcache.dat is a the outlook Forms cache file.
-Source (http://support.microsoft.com/kb/232303/EN-US/)
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