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barrypilger asked on

Outlook not connecting with Exchange server

I am using Outlook 2007, Windows XP SP2.  I just installed Outlook 2007 on three computers.  One is giving me trouble.

I am using a hosted Exchange server provided by 123together.com.

Starting Outlook, this error message appears:

The connection to Microsoft Exchange is unavailable.  Outlook must be online or connected to complete this action.

I Click OK.

A dialog box appears asking for Exchange server name and name. I have tried using the user name and the user's email address.   When completed, I get this error message:

Cannot open your default email folders.  The file C:\Documents and Settings\Barry\Local Settings\Application DataMicrosoft\Outlook\outlook.ost is not an offline folder file.

I click OK.  Outlook closes.

I have installed Outlook 2007 on two other machines using exactly the same procedure and have not had this problem.  I went to one of these computers, set up a new profile and verified that the user name and user email are both correct and recognized by this Exchange server, so there must be a setting on the subject computer that is awry.  Ideas?

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Last Comment

8/22/2022 - Mon

remove and reinstall outlook, see if that helps.

Reboot between.

I have done that twice.

recreate the user profile, (just to test at first, see if you can setup thier connection under a different profile on that machine.)
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Walt Forbes

Tried that too.  Get same error messages.

Can another user connect on this machine ok?, can This user connect on a different machine ok?

This user can connect on another machine.

Another user cannot connect on the subject machine.
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