Free busy issue outlook 2010

I am sorry if i am posting this in the wrong place.
We have exchange 2010 sp3 in 3 sites ( US , UK and Africa)
Users in UK start complaining they are not able to See free busy of US users but can see free busy of UK and African users.
We later identified this could be due to the more no of groups which result in increased token size, so we removed 1 users couple of group membership and he was able to see free busy of other users in US.
Then we have done a registry change in all CAS server to set MAX token zize
Create the following registry keys on all CAS servers ( Exchange Server 2010 SP1 CAS servers) in the Active Directory site:
Path: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\HTTP\Parameters
Name: MaxFieldLength
Type: DWORD
Value data: 65534
Path: HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\HTTP\Parameters
Name: MaxRequestBytes
Type: DWORD
Value date: 16777216
But now users start complaining that they now cant see free busy of africa and US users, This affected only 5 users and all user outlook 2010.
P.S: No luck with OWA also for these users.
Please suggest.

First check free busy issue does exist in OWA, if its not affected in OWA and only in outlook follow
steps below
have you tried with start--> run --> "Outlook.exe /cleanfreebusy" switch
try the below step also.
Start Outlook.
Hold down the Ctrl key, right-click the Outlook icon in the notification area, and then click
Test E-mail AutoConfiguration.
Verify that the correct email address is in the
E-mail Address box.
In the
Test E-mail AutoConfiguration window, click to clear
the Use Guessmart check box and the
Secure Guessmart Authentication
check box.
Click to select the
Use AutoDiscover check box, and then click
Test.
Check auto configuration test reports
4.
Try to change outlook profile of affected users
Check in Tools--->Options and Delegates tab if there is any other account try to remove.
Close issue as you have
http://social.technet.microsoft.com/Forums/exchange/en-US/c01aa88e-ee4a-4187-9686-ab3494eb181b/single-user-cannot-view-freebusy-or-open-automatic-replies-ooo
follow the article: http://blogs.technet.com/b/tips_from_the_inside/archive/2012/01/11/autodiscover-fails-for-one-or-more-users.aspx
also I suggest you to remove cached exchange mode.
Moved the mailbox to another database

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Kb2837643 breaks free busy in Outlook 2013

I have proven quite clearly that http://support.microsoft.com/kb/2837643, when applied, breaks Free/Busy in Outlook 2013.
The only resolution we have found is to uninstall the hotfix and totally delete and recreate the Outlook profile.
Has anyone found a less devastating fix?

This is sooooo strange. I deleted my profile with the Control Panel Mail applet but it wouldn't let me re-create it with the same name, citing "a profile by this name already exists".
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HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Profiles
HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Deleted Profiles
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles
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I am running Exchange 2013 and I have an end user who connects to it via Outlook 2010. All was going well till he went to forward an email and he noticed that the From button appeared and auto populated the sender's email address.
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Calander Free\Busy Issue

Hi all,
We have Exchange 2010 and users are working with office 2007.
I have not checked all users, but those who i checked (about 10 out of 300), can see the details of other users appointments who are invited when the enter the "Scheduling Assistant".
I checked the calendar Free\Busy permissions and they are set to:"Default - Free\Busy Only".
There are no other permissions to other users.
This issue is very important since the sensitivity of a lot of appointments, especially of managers is high.
Thanks in advance.

Hi Hasin,
Thanks for the reply.
I checked the permissions from the outlook side.
I tried the command on the CEO mailbox and i received an error message (I replaced here the user name with xxxxx for security reason):
Cannot process argument transformation on parameter 'Identity'. Cannot convert value "xxxxx:calendar" to type "Microso
ft.Exchange.Configuration.Tasks.MailboxFolderIdParameter". Error: "The mailbox folder identity "xxxxx:calendar" isn't
in the correct format. The correct format should look like this: "<MailboxIdentity>:<FolderPath>". "
    + CategoryInfo          : InvalidData: (:) [Get-MailboxFolderPermission], ParameterBindin...mationException
    + FullyQualifiedErrorId : ParameterArgumentTransformationError,Get-MailboxFolderPermission
Then i tried to write down "calendar" in Hebrew (which is our native language) and i get only question marks (I guess that Power Shell dont like my language). I have succeeded to do it on several users, i guess because their Outlook is in English
and the result was:
FolderName   : Calendar
User         : Default
AccessRights : {AvailabilityOnly}
Identity     : Default
IsValid      : True
As i understand according to the result, people should only see if the user is available and it's not the case. Users can see the full details.

Free busy Issue

I recently setup a lion server and i imported calendar data, user data via backup and restore, and wikis via the wikiadmin script. I am a linux admin mainly butcomfortable enough with macs. Anyways i noticed that free-busy is not working with the users i imported but is working with newly created users. I have searched the postgres database and the ldap directory for clues and i even found a resource_property xml entry about set free busy and another xml entry referring to transparent and so i manually entered them into the postgres database but it had no impact.
Any ideas?

I have a very similar issue - the "Availability Check" for all users/locations/resources returns status "available" all the time, regardless of whether there is a conflict or not.
10.7.3 on a MacMini5,2
• OD Master
• iCal
If a users checks their calendar using iCal client, it will show all appointments - it will also correctly show appointments for calendars that this users has read delegation on. But with 100+ users there is a real need for users to be able to use the "check availability" tool in iCal client as opposed to trying to look at everybody's calendar individually.
I can post any logs/info you think will help, but I've not been able to find anything that even hints at anything wrong aside from a few entries in /Library/Logs/PostgreSQL.log
2012-03-30 07:34:29 CEST ERROR: duplicate key value violates unique constraint "global_settings_pkey"
2012-03-30 07:34:29 CEST DETAIL: Key (key)=(com.apple.setting.schema_version) already exists.
2012-03-30 07:34:29 CEST STATEMENT: INSERT INTO global_settings (key, value_int) VALUES ('com.apple.setting.schema_version', $1)
2012-03-30 07:34:29 CEST LOG: unexpected EOF on client connection
2012-03-30 07:34:29 CEST LOG: connection received: host=[local]
2012-03-30 07:34:29 CEST LOG: connection authorized: user=collab database=collab
2012-03-30 07:34:29 CEST LOG: connection received: host=[local]
2012-03-30 07:34:29 CEST LOG: connection authorized: user=collab database=collab
2012-03-30 07:34:29 CEST LOG: connection received: host=[local]
2012-03-30 07:34:29 CEST LOG: connection authorized: user=collab database=collab
2012-03-30 07:34:29 CEST LOG: unexpected EOF on client connection
2012-03-30 07:34:40 CEST LOG: connection received: host=[local]
2012-03-30 07:34:40 CEST LOG: connection authorized: user=collab database=collab
2012-03-30 07:34:40 CEST LOG: connection received: host=[local]
2012-03-30 07:34:40 CEST LOG: connection authorized: user=collab database=collab
2012-03-30 07:34:40 CEST ERROR: duplicate key value violates unique constraint "global_settings_pkey"
2012-03-30 07:34:40 CEST DETAIL: Key (key)=(com.apple.setting.schema_version) already exists.
2012-03-30 07:34:40 CEST STATEMENT: INSERT INTO global_settings (key, value_int) VALUES ('com.apple.setting.schema_version', $1)
2012-03-30 07:34:40 CEST LOG: unexpected EOF on client connection
2012-03-30 07:34:40 CEST LOG: connection received: host=[local]
2012-03-30 07:34:40 CEST LOG: connection authorized: user=collab database=collab
2012-03-30 07:34:40 CEST LOG: connection received: host=[local]
2012-03-30 07:34:40 CEST LOG: connection authorized: user=collab database=collab
2012-03-30 07:34:40 CEST LOG: connection received: host=[local]
Suspicious entries in bold.

All day event marked as FREE NOT busy in Outlook 2010

I would like to have all day events default to BUSY not FREE in everyones Outllok Calender.

Hi, maybe this will help
http://office.microsoft.com/en-us/outlook-help/create-an-all-day-event-HP001230353.aspx
Don
This answer applies to Outlook 2007 specifically. Is it the same for 2010?
Thanks.

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We just migrated from Exchange 2003 to Exchange 2010 as an intermediate step before we get to Exchange 2013. I want to make sure everything is working OK before we start the migration to Exchange 2013.
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work!
I've searched the forums, and I see a few similar issues, but I don't think this is related to the .Net issue on the CAS server.
Any suggestions?
Thanks!
--Kent

Hi Kent,
Try checking the free busy info Outlook 2010 with running /cleanfreebusy switch
Check the Free/Busy System Public Folder and pointed out to the correct server on each mailbox DB in Exchange 2010
Find the public folder replica database
get-publicfolder -Identity "\NON_IPM_SUBTREE\SCHEDULE+ FREE BUSY" -Recurse | fl name,Replicas
In E2k10 check if the exchange 2003 is added in the replica list. If not try adding them and check.
force Public folder content replication.
Please mark as helpful if you find my contribution useful or as an answer if it does answer your question.
That will encourage me - and others - to take time out to help you.
Regards,
Sathish

Outlook 2013 with Office365 exchange Scheduling assistant not retrieving free/busy information

Hi, we are using Outlook 2013 with Office365 Exchange and when using the Scheduling assistant in Outlook users are seeing "No Information. No free/busy information could be retrieved". The scheduling assistant works fine in OWA.
I have spent time trying to find an answer on the web but most answers involve different exchange variations.
Mark

Hi,
Since the problem only exists on Outlook Client, we can try running Outlook with the switch "/cleanfreebusy", this will clear and regenerate free/busy information:
outlook.exe /cleanfreebusyin the blank box, then press Enter.
You can also switch between Online and Cached Mode to check if there's a difference.
Regards,
Melon Chen
TechNet Community Support

Federated free busy information - the recipients mailbox server could not be contacted

Hi guys, really hoping someone can help with a free busy issue I'm having.
I've configured a new forest with exchange 2013 installed in preparation for moving all AD objects to the newly created forest to resolve a single label domain issue. The source forest has exchange 2010 SP2 installed. I've setup a trust between
the forests and dns is resolving okay. Federation has been setup for each of the forests and sharing configured but free busy info isn't available. When trying to retrieve FB from the new exchange 2013 mailboxes i get "the recipients mailbox
server could not be contacted" Trying to lookup FB from new forest to source "the recipients server could not be contacted" I've followed the troubleshooting steps in the following link: http://johanveldhuis.nl/en/troubleshooting-federared-sharing/
which are all okay except when I run Test-FederationTrust -UserIdentity [email protected] On the exchange 2013 forest all tests are successful, on the exchange 2010 forest all tests are successful with the exception of token request which
returns: failed to request validation token. Any help on this really appreciated

Just check the application log again and found this:
Process 5660: ProxyWebRequest FederatedCrossForest from S-1-5-21-672479773-2712238020-2201217990-2314 to
https://mail.contoso.com/ews/exchange.asmx/WSSecurity failed. Caller SIDs: WSSecurity. The exception returned is Microsoft.Exchange.InfoWorker.Common.Availability.ProxyWebRequestProcessingException:
System.Net.WebException: The request failed with HTTP status 401: Unauthorized.
   at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
   at System.Web.Services.Protocols.SoapHttpClientProtocol.EndInvoke(IAsyncResult asyncResult)
   at Microsoft.Exchange.InfoWorker.Common.Availability.Proxy.Service.EndGetUserAvailability(IAsyncResult asyncResult)
   at Microsoft.Exchange.InfoWorker.Common.Availability.FreeBusyApplication.EndProxyWebRequest(ProxyWebRequest proxyWebRequest, QueryList queryList, Service service, IAsyncResult asyncResult)
   at Microsoft.Exchange.InfoWorker.Common.Availability.ProxyWebRequest.EndInvoke(IAsyncResult asyncResult)
   at Microsoft.Exchange.InfoWorker.Common.Availability.AsyncWebRequest.EndInvokeWithErrorHandling():. The request information is ProxyWebRequest type = FederatedCrossForest, url =
https://mail.contoso.com/ews/exchange.asmx/WSSecurity
Mailbox list = <<a href="mailto:[email protected]>SMTP:[email protected]">[email protected]>SMTP:[email protected], Parameters: windowStart = 27/01/2014 00:00:00, windowEnd = 10/03/2014 00:00:00, MergedFBInterval = 30, RequestedView = MergedOnly
. ---> System.Net.WebException: The request failed with HTTP status 401: Unauthorized.
   at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
   at System.Web.Services.Protocols.SoapHttpClientProtocol.EndInvoke(IAsyncResult asyncResult)
   at Microsoft.Exchange.InfoWorker.Common.Availability.Proxy.Service.EndGetUserAvailability(IAsyncResult asyncResult)
   at Microsoft.Exchange.InfoWorker.Common.Availability.FreeBusyApplication.EndProxyWebRequest(ProxyWebRequest proxyWebRequest, QueryList queryList, Service service, IAsyncResult asyncResult)
   at Microsoft.Exchange.InfoWorker.Common.Availability.ProxyWebRequest.EndInvoke(IAsyncResult asyncResult)
   at Microsoft.Exchange.InfoWorker.Common.Availability.AsyncWebRequest.EndInvokeWithErrorHandling()
   --- End of inner exception stack trace ---
. Name of the server where exception originated: "MailServer". Make sure that the Active Directory site/forest that contain the user's mailbox has at least one local Exchange 2010 server running the Availability service. Turn up logging for the Availability
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Outlook 2013/Exchange 2010 Free/Busy access issues.

Good Day Everyone,
I am running a Win 2008 R2 environment with Win7 users, using Exchange 2010 and Outlook 2013. Last week my users started experiencing issues with being able to view Free/Busy in the Calendar for any other user. I have checked past issues with this with patches
KB 2837618 and KB 2837643. Neither patch is showing as installed and I have tried a nummber of the suggested fixes offered for that issue to no avail. OWA seems to be working just fine.
Our Outlook version is: 15.0.4605.1003
I need a fix for Outlook users and since I havve 140 users, individual fixes are a not realistic option.
Any assistance would be greatly appreciated.

Hi,
Please test if Out of Office feature works well in Outlook. If Out of Office doesn't work either, it should be Autodiscover related.
Once Autodiscover has not been configured properly, the Free/Busy information may not display correctly. If you are also seeing issues with Out of Office assistant, we may assume that you haven’t correctly setup Autodiscover, since these two symtoms are
common when Autodiscover is not configured correctly.
To verify that, please test Outlook Autodiscover Connectivity:
http://technet.microsoft.com/en-us/library/bb123573.aspx
We can also learn Configure Exchange Services for the Autodiscover Service from:
http://technet.microsoft.com/en-us/library/bb201695.aspx
Regards,
Melon Chen
TechNet Community Support

No Free/Busy Information for Exchange 2010 users in Outlook 2010 client, 2010 OWA shows this information fine

I have looked for hours and hours on Google and this web site for this type of issue and nothing seems to help.
Problem:
On my new Windows 2008 R2 /Exchange 2010 server with IIS7 installed, I can use Outlook 2010 client to login and send and receive e-mail but when I try to busy search internal Exchange users I get no information (cross-hatch), but the sender of the Meeting Request
can see their own free/busy information fine. And OWA users can see free/busy information fine, as can Outlook 2003 client users against this Exchange 2010 server when logged in.
I don't know if I have a certificate problem with regard to IIS7 or Exchange 2010, I did not create my own certificate , it is just what was installed by default when I installed and configured Win2K8 server, IIS7 and Exchange.
On the Windows 7 workstations with Outlook 2010 client, I am not logging into the Exchange 2010 server DNS domain, if that makes any difference. On these workstations I can ping "autodiscover.my.exchange.server.com" and my.exchange.server.com
with no problem. I even used this Microsoft KB to install a new _autodiscover dns entry, but it did not help :
When I turn on logging on my Outlook 2010 client, I see this in my C:\Users\Administrator\AppData\Local\Temp\1\outlook logging\20131208-135658864-fb.log :
2013/12/08 13:56:58.864: Getting ASURL
2013/12/08 13:56:58.864: URL returned from cached autodiscover: blah blah
2013/12/08 13:56:58.864: Request to URL:
2013/12/08 13:56:58.864: Request action:
2013/12/08 13:56:58.864: Request XML: <?xml version="1.0"?>
2013/12/08 13:56:59.051: Request sent
2013/12/08 13:56:59.051: Response error code: 00000000
2013/12/08 13:56:59.051: HTTP status code: 0
2013/12/08 13:56:59.051: -------------------------------
2013/12/08 13:56:59.051: There is an error in request/response.
2013/12/08 13:56:59.051: XML response:
2013/12/08 13:56:59.051: -------------------------------
2013/12/08 13:56:59.051: Getting ASURL
2013/12/08 13:56:59.644: Failed to get ASURL. Error 8004010F
At an Exchange shell console I enter this command and get these results :
Exchnage Management Shell :
VERBOSE: Connecting to BPExchange2010.my.exchange.server.com
VERBOSE: Connected to BPExchange2010.my.exchange.server.com.
[PS] C:\Windows\system32>Test-OutlookWebServices -id:[email protected] -TargetAddress:[email protected]
ll.com
RunspaceId : c929eacd-d53c-49d7-8532-c4b74e61b8be
Id : 1019
Type : Information
Message : A valid Autodiscover service connection point was found. The Autodiscover URL on this object is
Type : Success
Message : [Server] Successfully contacted the UM service at https://bpexchange2010.my.exchange.server.com/ews/exchan
ge.asmx. The elapsed time was 234 milliseconds.
[PS] C:\Windows\system32>
** Also frequently when I log into Outlook 2010 client and start to send a meeting request , I get the Security Alert dialog :
autodiscover.my.exchange.server.com
Information you exchange with this site cannot be viewed or changed by others. However, there is a problem with the site's security certificate.
Green Check Mark : The security cerficate is from a trusted certifying authority
Green Check Mark: The security certificate date is valid
Red X : The name on the security certificate is invalid or does not match the name of the site.
Do you want to proceed ? . I either import the certificate or click YES, but does not help this issue.
NOTE: Each user that shows as NO INFORMATION cross-hatch, these users have appointments and have logged into outlook before.
When I do this autodiscover url from a Windows 7 pc with outlook 2010 I get :
This XML file does not appear to have any style information associated with it. The document tree is shown below.
<Autodiscover xmlns="http://schemas.microsoft.com/exchange/autodiscover/responseschema/2006">
<Response>
<Error Time="14:47:01.5656198" Id="401440650">
<ErrorCode>600</ErrorCode>
<Message>Invalid Request</Message>
<DebugData/>
</Error>
</Response>
</Autodiscover>
Can anyone assist ? What am I missing ?
Thank You
NOTE: When will this go away. I had to strip out a lot of helpful information to post this. "Body text cannot contain images or links until we are able to verify your account."

Hi,
How many users encounter this issue, all users with Outlook 2010 or some specific users?
According to your post, the Error code 600 indicates that your Autodiscover service is working well. as for the certificate mismatch issue, we can also following the KB below to resolve it:
http://support.microsoft.com/kb/940726/en-us
The Free/Busy information in Exchange 2010 is using the Availability service to
retrieve it. Please directly access
https://mail.mydomain.ae/EWS/Exchange.asmx in IE and see whether a proper XML file is returned.
Or we can go to
https://testexchangeconnectivity.com and check MS Exchange Web Services Connectivity Tests.
Thanks,
Winnie Liang
TechNet Community Support

Free Busy takes over 30 seconds to retrieve on Outlook 2010 using Exchange Server 2010

We have a small 100 user domain running Exchange server 2010 and outlook 2010 clients. The issue is that Retrieving Free/Busy takes over 30 seconds.
So someone is trying to schedule a meeting has to wait Minutes see the Free/busy time for many users.. I have checked and all the users in question have published at least one month free busy time.
It seems it would be much faster. Anyone have this same experience and know of a way to speed it up?
thanks in Advance
David

Hi David,
Does the issue happen in OWA? In Exchange 2010, the free/busy information is retreved by using Availability service (EWS url). Generally, if a user wants to view free/busy information when create a meeting, the http Availability service request
would send to CAS server.
Please check whether the usage in Exchange server is high when the slow free/busy information occurs. This reflect time would also be related to the network in your environment.
Regards,
Winnie Liang
TechNet Community Support

OUTLOOK 2013 permission shared calendar Free/Busy doesn't work for some the users Exchange 2010 and Exchange 2003 that use outlook 2007/2010

Hello,
We are in coexitence organisation (transition Migration) Exchange 2003 sp2 and Exchange 2010 sp1.
Users in Exchange 2003 use outlook 2007 and outlook 2010
Users in Exchange 2010 use outlook 2007, outlook 2010 and outlook 2013.
Issue: users in Exchange 2003 can't open outlook 2013 user calendar when he has Busy/Free information as default permission in his calendar.
User in Exchange 2010 with outlook 2007 can't also open outlook 2013 user calendar when he has Busy/Free information as default permission in his calendar.
Is it normal ? or exist some configurations to do in order to coexist all thoses clients and servers ?
Thanks in advance

Hi,
Does this issue occur on Outlook only or both Outlook and OWA?
Since you have double checked the permissions via multiple methods, it seems there is nothing problem on permission. Please make sure the migration from Exchange 2003 server completed successfully.
If in OWA everything goes well (cannot see details), it should be an issue on the Outlook client side.
I suggest run Outlook under safe mode to avoid some AVs and add-ins.
I suggest re-create profile to refresh the caches.
Thanks
Mavis
Mavis Huang
TechNet Community Support

Exchange 2010 - Setting up Users Calendar with Free /Busy Details share permssion, Outlook 2007 client cannot open

Setting up Users Calendar with Free /Busy Details share permssion, Outlook 2007 client cannot open the user shared folder but if we use OWA 2010 or Outlook 2010 client no issue opening the user shared calendar with Free/Busy Details setting.
The follwowig error is reported
You do not have sufficient permission to open the calendar folder. you don't have appropriate permission to perform this operation.
thanks,
Hussain

Setting up Users Calendar with Free /Busy Details share permssion, Outlook 2007 client cannot open the user shared folder but if we use OWA 2010 or Outlook 2010 client no issue opening the user shared calendar with Free/Busy Details setting.
The follwowig error is reported
You do not have sufficient permission to open the calendar folder. you don't have appropriate permission to perform this operation.
thanks,
Hussain
I built this little command from the "CalendarProcessing" commandlet... it cleared up my issues ...
Set-CalendarProcessing -Identity joeuser -AddNewRequestsTentatively $false -AddOrganizerToSubject $true -AllBookInPolicy $true -AllowConflicts $true -AllowRecurringMeetings $true -AutomateProcessing AutoUpdate -BookingWindowInDays 0 -ConflictPercentageAllowed
50 -DeleteAttachments $false -DeleteComments $false -DeleteNonCalendarItems $false -DeleteSubject $false -EnableResponseDetails $true -EnforceSchedulingHorizon $true -ForwardRequestsToDelegates $false -MaximumConflictInstances 100 -MaximumDurationInMinutes
0 -OrganizerInfo $true -ProcessExternalMeetingMessages $true -RemoveForwardedMeetingNotifications $true -RemoveOldMeetingMessages $true -RemovePrivateProperty $false -ScheduleOnlyDuringWorkHours $false -TentativePendingApproval $false -WhatIf
Look at those settings in technet article dd335046
good luck
JLH

Outlook 2003 Free/Busy only shows 2 months for users on Exchange 2010

Hi,
We are moving to Exchange 2010 from Exchange 2003 and have noticed that users who have been created on or migrated to Exchange 2010 who also use Outlook 2003 can only see 2 months worth of free busy information.
After doing some testing this is only an issue if the user who is looking at the free busy is located on Exchange 2010 and they are using Outlook 2003. It doesn't matter if the mailboxes they are looking at are on Exchange 2003 or Exchange 2010.
If the user uses Outlook 2007 they see free/busy past 2 months.
We configure Outlook to publish 12 months of free/busy.
Any help would be appreciated.
Regards
Matt

Hi Matt,
According to your description, the issue only happens in Outlook 2003 but not in other Outlook versions. Please check whether there is the Auto Accept Agent installed in your Exchange server. This issue occurs when you register the Auto Accept Agent to process
meeting requests for the affected mailbox.
Here is a KB related to this issue. Please follow it to configure the period for which you want to publish Free/Busy information in a registry entry on the Microsoft Exchange Server on which you have installed the Auto Accept Agent:
The published Free/Busy information for a mailbox is displayed for the default period of two months after you have configured a longer period in Outlook
http://support.microsoft.com/kb/917687
The free/busy publish range reverts back to the default setting when you direct book a resource in Outlook 2003
http://support.microsoft.com/kb/905817
Additionally, I recommend you upgrade your Outlook 2003 clients to Outlook 2010/2013 for better working. Because Microsoft ended support for Office 2003 on April 8, 2014.
Regards,
Winnie Liang
TechNet Community Support

Free busy issue outlook 2010

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