Question

outlook autodiscover is changing the RPC proxy server to the local computer name

Asked by: newgentechnologies

We have Exchange 2007 and is setup with outlook anywhere and autodiscover. Users are setup with RPC over HTTPS.  For some reason the RPC proxy server setting will change on the users.  It will sometimes switch from the external DNS name to the internal DNS name.  It seems to be due to the autodiscover, but not sure which setting it is.

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Asked On
2009-09-03 at 14:27:54ID24706162
Topics

Active Server Pages (ASP)

,

Exchange Email Server

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Answers

 

by: lastlostlastPosted on 2009-09-03 at 14:35:29ID: 25255207

RPC proxy server will be the name or URL that is mentioned in Exchange Management Console for Outlook Anywhere. You can check it in EMC by expanding Server Confgiuration and then selecting 'Client Access'.
Right Click on the server name that populates on the right side and go to the properties. Move to the 'Outlook Anywhere' Tab and check the URL mentioned over there.

The autodiscover will provide this URL to the Outlook Clients. There can be only 1 URL set per CAS server. So unless you have another CAS server with Outlook Anywhere enabled you shouldn't have any conflicts.

 

by: newgentechnologiesPosted on 2009-09-03 at 14:44:05ID: 25255275

yea, checked that already and that is setup with the external DNS name.

 

by: Narayan_singhPosted on 2009-09-03 at 14:55:35ID: 25255364

is it causing users to not connect using outlookanywhere .and is it happening when user connect from LAN.

use :
Set-OutlookAnywhere -Identity:"CAS01\Rpc (Default Web Site)" -ExternalHostname "URL"

 

by: newgentechnologiesPosted on 2009-09-03 at 16:02:10ID: 25255765

That does sound right, it is when users are at the office.  When I ran the command I got this:

WARNING: The command completed successfully but no settings of 'VCMAIL\Rpc
(Default Web Site)' have been modified.

So it sounds like that was already set.

 

by: Narayan_singhPosted on 2009-09-03 at 17:02:05ID: 25256067

when users connect outlook at office the settings will automatically change to TCP mode not outlookanywhere
so it is normal to see exchange server name there while connecting in office

 

by: Narayan_singhPosted on 2009-09-03 at 17:03:44ID: 25256077

to verify this you can holddown the contrll key and right click on outlook icon it icon tray and click connection status

you will see TCP connection not HTTPS.

 

by: newgentechnologiesPosted on 2009-09-04 at 10:01:15ID: 25261434

Is there no way to stop it.  There are a lot of laptops, so they are in and out of the office alot.  They know how to fix it, but it is somewhat annoying.

 

by: Narayan_singhPosted on 2009-09-04 at 15:38:45ID: 25263923

when users connect from LAN it will be a TCP connection and when they connect from remote location it will automatically fall in to HTTPS connection.
just check if they can connect from out side the network
If yes no other changes needs to be made.

You wouldnt want to connect using HTTPS while in the office LAN .TCP is mch faster then HTTPS.
If still you wanna connect using HTTPS in you lan
open outlook > tools > account > click the account > change > more settings > connection >Exchange proxy settings >check the box on fast Networks >apply >ok

Close and reopen outlook and check the connection status.

 

by: newgentechnologiesPosted on 2009-09-19 at 18:25:14ID: 25375575

The problem occured because the "server" value was set in the OutlookProvider setting. To check run the get-outlookprovider command.

M$ told me that setting the "server" value will almost always cause the problem. Best to let Exchange do what it wants.

Hope this helps someone.

20120131-EE-VQP-002

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