Steps to end OAB nightmares.I spent quite a bit of time testing this procedure in an Exchange 2.SP3 on Windows 2.SBS.So it should work for Exchange 2.Take care when SBS or multiple CAS servers are involved.I have tried to include additional information for those 2 scenarios.This procedure will help reset your OAB Virtual Directory back to its default settings and permissions.It should also cause the Web Distribution of the OAB to start working, so then Outlook 2.If your public folders are available and you are doing PF distribution of the OAB then this procedure should cause the PF version of the OAB to be generated too.Please try and be on the latest Service Packs for Windows and Exchange as this will solve lots of issues for you and is better for supportability.If you find this article useful then please vote for it.Download.Absolutely free to download and use, for personal or commercial use.Easy onestep installation.Download, execute this exe file and just follow the setup.SoftwareDistribution_folder.jpg' alt='Cannot Rename The Software Distribution Folder Download' title='Cannot Rename The Software Distribution Folder Download' />OAB Folder Virtual Directory reset 1.On the CAS servers stop the Microsoft Exchange File Distribution Service.You can do this from the command prompt with net stop MSExchange.FDS.Untick Enable Web based Distribution of OAB From EMC Org Mailbox Offline Address Book double click on your Offline Address Book normally called Default Offline Address Book Distribution Tab Untick Enable Web based Distribution then press Apply.Security Cam V1 1 0 4 Keygen Software here.You can also do it from EMS with the command Get Offline.Address.Book Set Offline.Address.Book Virtual.Directories Null.This should of resulted in the lt Drive Program FilesMicrosoftExchange ServerClient.AccessOABlt GUID folder being removed from your CAS servers.Open EMS and do Get OABVirtual.Directory Remove OABVirtual.Directory confirm false.Cannot Rename The Software Distribution Folder Download' title='Cannot Rename The Software Distribution Folder Download' />OT Renaming SoftwareDistribution folder Split from this thread.SoftwareDistribution to SDold It says That the action cant be completed.Download ZET 9 Lite installer distribution kit ZET9SETUP229EN.Run the downloaded file and follow the onscreen instructions.MessenPass is a password recovery tool that reveals the passwords of the following instant messenger applications MSN Messenger, Windows Messenger, Yahoo Messenger.This will remove the OAB Virtual Directory from all of your CAS servers.So use the Web. How To Install Windows Media Player Without Validating A Survey . Site.Name parameter if you have more than 1 CAS server and you only want to perform this reset on 1 server.DeleteRename the lt Drive Program FilesMicrosoftExchange ServerClient.AccessOAB folder on the CAS servers.Deleterename the lt Drive Program FilesMicrosoftExchange ServerExchange.OAB folder on the OAB Generating server usually a mailbox server.Open EMS and do New OABVirtual.Directory Server lt CASServer.Name.This will create the OAB Virtual Directory on the CAS server and will create the lt Drive Program FilesMicrosoftExchange ServerClient.AccessOAB folder on the CAS server too.Repeat this step for each of your CAS servers.If you only have one CAS server then you do not need the Server parameter.This will also set the Internal.URL value of the OABVirtual.Directory to http lt CASfqdn OAB which is fine if you dont want to use SSL internally to download the OAB this is the default Exchange setting.WARNING SBS seems to default to HTTPs on the OAB VD because of the Bindings on the SBS Web Applications web site, so I suggest you use HTTPs, or if you really want to use HTTP then look at the Bindings and which Host.Names will allow you to connect to the SBS Web Applications web site on port 8.SBS use New OABVirtual.Directory Web.Site.Name SBS Web Applications To ensure the OAB VD is created under the correct web site.Open EMS and do Get Offline.Address.Book Set Offline.Address.Book Virtual.Directories lt CASServer.Name oab default web site.On a SBS server the default web site is normally SBS Web Applications, so open IIS and confirm what the web site name is that contains your Exchange Virtual Directories and then use that value instead of default web site if you need to.You can do this step in EMC as you may find it easier, especially if you are running multiple CAS servers.Open EMS and do Get Offline.Address.Book Update Offline.Address.Book. This will recreate and populate the lt Drive Program FilesMicrosoftExchange ServerExchange.OAB folder on the OAB Generating server usually a mailbox server and it will also share the folder out as Exchange.OAB.On the CAS servers start the Microsoft Exchange File Distribution Service.You can do this from the command prompt with net start MSExchange.FDS.This will copy the lt Drive Program FilesMicrosoftExchange ServerExchange.OABlt GUID folder on the OAB Generating server to the lt Drive Program FilesMicrosoftExchange ServerClient.AccessOAB folder on the CAS servers.Recycle the MSExchange.Autodiscover.App.Pool Application Pool in IIS, so autodiscover picks up the new OAB URLs.Then restart Outlook so it reads the new Autodiscover information about the OAB URLs and test Downloading the Offline Address Book from an internal Outlook 2.Additional Info.If Outlook is hangingstalling at OAB download then pay particular attention to step 6.If you have Require SSL on your OAB VD then take it off and set the Internal.URL value of the OABVirtual.Directory to http not https.You can do this with this EMS command Get OABVirtual.Directory Set OABVirtual.Directory Internal.URL http lt CAS Internal FQDNOAB Once this has resolved the issue and you still want to use https then set both settings back.By default OAB VD does not require SSL and Client Certificates Ignore Apart from in SBS where the default is to require SSL.If you require SSL then set the internal.URL and external.URL values of the OABVirtual.Directory to contain https lt valid resolvable name on cert OAB.The name on the cert should resolve to the internal IP address of your CAS server for internal users and it should resolve to the public IP of your CAS server for external users.Setup Split DNS if this is not the case because a lot of routersfirewalls will not allow internal traffic to come back in the external interface.By default the Authentication mechanism on the OAB folder is Windows authentication and nothing else apart from SBS0.Basic and Windows.In IIS Manager under the OAB virtual directory Right click on Windows Authentication Advanced Settings and ensure that enable kernel mode authentication is NOT ticked.There is no OAB folder in the install or Service Pack source and therefore no web.OAB folder, so remove or rename it if you are experiencing OAB download issues.If you are using Outlook Anywhere, then dont forget to set an External.URL value on the OAB that matches your SSL certificate.Get OABVirtual.Directory Set OABVirtual.Directory External.URL https lt valid resolvable name on cert OAB.Disabling Web Distribution of the OAB, deletes the lt GUID subfolder from under the Client.AccessOAB folder.Enabling it creates the lt GUID folder and sets the permissions on it for Authenticated Users Read.It also assigns many other groups like Exchange Servers direct permissions on the lt GUID subfolder.If you perform a Remove OABVirtual.Directorythen the offline.Address.Book will have no Virtual.Directories value and this must be re assigned once the VD is recreated.Test Outlook.Web.Services does not appear to test the http lt CASfqdn OABlt GUID oab.EWS service.Test Outlook.Web.Services will even pass if there is no OAB VD on your CAS.So use Outlooks Autoconfiguration Test to see and contact the full OAB URL.Failing Public Folder Distribution methods of the OAB will not stop web distribution from happening i.PF store the OAB generating server is using is dismounted, the PF OAB will not get updated, but Web Distribution of the OAB will still happen.Event Logging by default Exchange doesnt log much about the OAB generation, so if you are still experiencing issues with the OAB generating then open EMS and do Set Event.Log.Level lt Server ms.Exchange.SAOAL Generator Level Medium then run Get Offline.Address.Book Update Offline.Address.Book then watch the Application Event log on the OAB Generating server for OAL Generator events.You should get event ID 9.OAB Generation starting and event ID 9.OAB Generation finished.OAB recreation.If you want to recreate your OAB then you can perform the following in EMS.Remove Offline.Address.Book Default Offline Address Book2New Offline.Address.Book Name Default Offline Address Book Server lt server Address.Lists Default Global Address List Public.Folder.
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