How to Get Exchange ActiveSync to work on a Single Exchange Server (Error Code: 85010014)

Take from: https://blogs.msdn.com/nickmac/archive/2004/05/10/129376.aspx

Issue:

You have a Single Exchange 2003 Server acting as both your front End Server and your Back End server.  When you try to Sync you get the following error Code on the Device: 85010014 

Resolution:

These are the revised steps that were originally outlined in: KB817379

Cannot Access Exchange Server 2003 by Using Outlook Mobile Access When
https://support.microsoft.com/?id=817379

The only difference between these steps and the KB is that you create the new Virtual Directory in IIS Manager and not ESM.

  1. Start Internet Information Services (IIS) Manager
  2. Locate the \exchange virtual directory (default location is Web Sites\Default Web Site\Exchange)
  3. Right click on the Exchange virtual directory, choose All Tasks/Save Configuration to a File…
  4. Type a name in the File name: text box (for example, ExchangeVDir)
  5. Click OK
  6. Right click the root of this web site (Default Web Site), choose New/Virtual Directory (from file)…
  7. On the Import Configuration dialog box, select the Browse button and locate the file from step #4, then click Open
  8. Next, select the Read File button
  9. In the Select a configuration to import text box, select Exchange (or whatever virtual directory you selected in step #3) and press OK.
  10. A dialog box will appear stating the virtual directory already exists.  In the Alias text box, type a name for the new virtual directory that you want the
  11. Exchange Server ActiveSync and Outlook Mobile Access processes to use. For example, type ExchDAV.
  12. Click OK
  13. Right click on the new virtual directory and choose Properties, in this example, ExchDAV
  14. Select the Directory Security tab
  15. Click the Edit button in the Authentication and access control section.
  16. Verify only the following authentication methods are enabled
  17. Integrated Windows authentication
  18.  Basic authentication
  19. Click OK
  20. Click Edit under IP address and domain name restrictions.
  21. Click Denied access, and then click Add.
  22. Click Single computer (if this option is not already selected), type the IP address of the server that you are configuring, and then click OK.
  23. Click the Edit button in the Secure communications section
  24. Verify Require secure channel (SSL) is not enabled and click OK.
  25. Click OK, and then quit IIS Manager.
  26. Click Start, click Run, type regedit in the Open box, and then click OK.
  27. Locate the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MasSync\Parameters
  28. Right-click Parameters, point to New, and then click String Value.
  29. In the New Value #1 box, type ExchangeVDir, and then press ENTER.
  30. Right-click ExchangeVDir, and then click Modify.
  31. In the Value data box, type a forward slash ( /) followed by the name of the new virtual directory that you created in step 10. For example, type /ExchDAV.
  32. Click OK, and then quit Registry Editor.
  33. Restart the World Wide Web Publishing Service. To do this: Click Start, click Run, type services.msc in the Open box, and then click OK. In the Name list, right-click World Wide Web Publishing Service, and then click
  34. Restart the Server to make the registry changes effective.