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Outlook 2007 on Exchange 2003 SP2 cannot see free/busy information for some users.

I spent all day yesterday researching this site and others for a solution to this problem with no luck so I am asking for help.  We have a mixed environment of Office 2003 and Office 2007 and are using Exchange 2003 SP2.  Our Outlook 2007 users cannot see free/busy information for some users.  What we see are the "\\\\..." No Information.  The Outlook 2003 users can see the free/busy information.  I had a few that were showing no information in Outlook 2003 but I had those users run the /cleanfreebusy switch and those are fine now in 2003.  I tried setting up a DNS forward lookup zone for "autodiscover.domain.com" and pointed it to the A record for the Exchange server.  The instructions I used were a bit sketchy so I'm not sure if I did it totally correct.  It still does not work.  If I do the "Test E-mail Configuration" and uncheck Guessmart and Secure Guessmart, using only Use Autodiscover I get this in Results:

Autoconfiguration was unable to determine your settings!

In the Log section I get an error:

Autodiscover to https://autodiscover.domain.com/autodiscover/autodiscover.xml FAILED (0x800C8203)

Yesterday I was getting more errors but didn't write them down or screenshot.  I think they were (0x80004003)

I am not expert at DNS or IIS but I cannot see a virtual directory in IIS6 for autodiscovery.

Please help.  I need to resolve this so we can schedule resources and have everyone see them.

OutlookWindows Server 2003Exchange

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8/22/2022 - Mon

I ran the test again and got this complete log.  File is attached.Test E-mail Configuration log

When Using Outlook 2007 with exchange 2003, the availability service may not alwasy be up to date.


I would check that all users have the latest SP installed for their Office Suite

Office 2007 SP3

Office 2003 SP3

Reading above did you say the users came allright after running /cleanfreebusy?

SOmething to check would be some of the users free busy settings in outlook
make sure they are set to publish a minimum of 2 months of free busy

Also when looking at the availability of these users, make sure your not looking beyond their published settings


I have downloaded the white paper and will give it a good read.  I am sidetracked right now with my marketing duties (I wear two hats).

I will have my users check their SP versions and update if necessary.  They should be getting updated by "Automatic Updates".

RE: /cleanfreebusy - Viewing everyone with Outlook 2003 showed several that had no information.  I asked those few to run /cleanfreebusy and now can see everyone's free/busy info when viewing with Outlook 2003.  However, that did not solve the problem when viewing their info using Outlook 2007.

I can have everyone check the free/busy settings in their Outlook but I really doubt that anyone has changed that.  In fact, I would assume that most of my users have no idea that they CAN change that.  :)

I was not looking beyond their published settings.  I was only looking 1-3 days ahead of the current date.

I will get back with you when I can free up some time (next week) and implement your suggestions.

Experts Exchange is like having an extremely knowledgeable team sitting and waiting for your call. Couldn't do my job half as well as I do without it!
James Murphy

Silly question and may be reading too much into it

But when you say" mixed enviroment 2003 and  2007"


"Viewing everyone with Outlook 2003 showed several that had no information.  I asked those few to run /cleanfreebusy and now can see everyone's free/busy info when viewing with Outlook 2003.  However, that did not solve the problem when viewing their info using Outlook 2007."

The versions of Outlook are on different Machines right?
None of the users with the issues have Outlook 2003 and Outlook 2007 on the same PC...?

No, none of the users have both installed.

I was using two different machines for the testing.  One has Outlook 2003 installed, and mine has Outlook 2007.


Id be shocked if this worked but

Considering 2003 uses public folders to store free busy info....Vs 2007/2010 Availability Service

If you Press CTRL+6 on you keyboard,
this should display the Public Folders in your nav pane on the left

Wonder if once these are displayed as they are in 2003, if you can then see the free busy of the other users...

My guess is not, but worth a try
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CTRL+6 did nothing.  I can already see the public folders listed in the left pane.  I use the "folders" view.  When I switched to the Mail view and pressed CTRL+6 it just switched me back to the folders view.


Interesting...there are no public folders set up on our Exchange 2003 server.  I have never added any.  Since Exchange 2003 uses the SCHEDULE+ FREE BUSY folder, how do you suppose we are seeing free/busy info with Outlook when there is no public folder?

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