That sounds like a definite improvement. I've grabbed a copy of your
script and think I understand the logic and process. Now it's just
modifying it. 
Of course, if you're planning on making/modding the script in the next
few days I may just wait and see if I can steal^H^H^H^H borrow yours. My
vbscript-fu is fairly weak. :)

-----Original Message-----
From: Michael B. Smith [mailto:[email protected]] 
Sent: Friday, February 05, 2010 3:09 PM
To: MS-Exchange Admin Issues
Subject: RE: Update RPC proxy in Outlook profiles

I'm actually getting ready to write a script for this, in the next
couple of days, as this also comes up in Exchange 2003 -> Exchange 2010
migrations (the old URL becomes invalid).

What the PRF file is doing, actually, is creating a new profile, the old
one is renamed. That's why you get a new OST (new GUID in the profile).

What you WANT to do is just edit that entry in the user's existing
profile. I've got the beginnings of a script here
<http://theessentialexchange.com/blogs/michael/archive/2009/07/21/mapi-i
n-the-registry-or-setting-the-quot-use-http-first-quot-boxes-via-vbscrip
t.aspx> which should just need minor tweaking to fit your needs.

Without even looking it, it seems likely you'll have to edit three
values in the profile: the certificate common name (strictly speaking
this is the "Mutual Authentication Principal Name"), the name of the RPC
proxy server, and the Exchange server internal name.

Regards,

Michael B. Smith
Consultant and Exchange MVP
http://TheEssentialExchange.com

From: Damien Solodow [mailto:[email protected]] 
Sent: Friday, February 05, 2010 2:47 PM
To: MS-Exchange Admin Issues
Subject: Update RPC proxy in Outlook profiles

Got a bit of a fun one.

Outlook 2007 mostly on XP, connecting to Exchange 2003 in a Windows 2003
forest.

I need to update the RPC Proxy (aka Outlook Anywhere) settings on the
Outlook clients as the current URL will be invalid within a few months.
I've tried creating a PRF file from the Office Customization Wizard and
it does change the profile, but...

The PRF creates a backup copy of the default profile (annoying but not
major) but it also causes a new OST file to be created. This I would
rather avoid as all our users rebuilding their OSTs might have a minor
negative impact on the WAN links.

Any suggestions?

DAMIEN SOLODOW
Systems Engineer
317.217.6881 (office)
317.217.6851 (fax)
HARRISON COLLEGE
603 East Washington Street
Suite 600
Indianapolis, IN 46204-2646
www.harrison.edu






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