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Microsoft: Exchange 2007 on Windows 2008 Active Sync error code: 0x85010014

Since a few days we receiving errors in Eventlog that ActiveSync is not working. After try to synchronize at my MDA’s (iPhone & Samsung Mobile) I get the following error: 0x85010014. See event:


To resolve this issue I re-installed CAS : Client Access Role. (Description: The Client Access server role enables clients to their Exchange mailbox through Outlook Web Access, POP, IMAP, or their mobile device. This server role also provides free/busy lookup and offline address books.)

First: Goto path: C:\Windows\System32\inetsrv\config\ rename applicationHost.config to applicationHost.config.old

Now you can un-install CAS. Configuration Panel > Add/Remove Programs > click Remove on Exchange 2007 to uninstall CAS


Note: The Windows Firewall service must be started before Setup (un-install/reinstall) can Continue.

Note: For re-installing you must restart your Server before you can continue the new setup.

By clicking Change in Add/Remove Programs on the Exchange 2007 setup you are able to install CAS again.

– Rename rename “applicationHost.config.old” to original “applicationHost.config”

After an successful reinstall of CAS:



Check if OWA is online (internal/external):

External Internal


I can finally synchronize with my telephone with my GPRS connection! 🙂


After the installation only good notifications in Windows Event Viewer:


The Outlook Web Access configuration settings have been read and updated successfully. Virtual directory: "owa". Web site: "Default Web Site".

Microsoft Exchange ActiveSync has been loaded. This event is logged when Exchange ActiveSync receives its first sync request. The DLL that is loaded when this occurs is Microsoft.Exchange.AirSync DLL. Process id: [1956]

Outlook Web Access started successfully.

Providers [Microsoft.Exchange.Autodiscover.Providers.MobileSync.MobileSyncProvider, Microsoft.Exchange.Autodiscover, Version=, Culture=neutral, PublicKeyToken=31bf3856ad364e35][Microsoft.Exchange.Autodiscover.Providers.Outlook.OutlookAutoDiscoverProvider, Microsoft.Exchange.Autodiscover, Version=, Culture=neutral, PublicKeyToken=31bf3856ad364e35] are found in the folder "C:\Program Files\Microsoft\Exchange Server\ClientAccess\Autodiscover\bin".

The Exchange Web Services started successfully.

Process 7104[w3wp.exe:/LM/W3SVC/1/ROOT/EWS-1-128949809000715277]: Successfully initialized service.

SSL Certificate Settings created by an admin process for Port : .

Loading servicelet module Microsoft.Exchange.SystemAttendantMailboxServicelet.dll



Possible error during installation: Exchange 2007 Reinstall CAS – exchangeserver.msi allready installed


Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.

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