ZCS Connector GAL sync

  • Changes make to the "GAL" take effect in the webUI immediatly. For connector, however, it takes 24 hours for the changes to appear.
  • The fix is explained in this article http://support.microsoft.com/kb/823580/

Her are the steps;

  1. Click Start, and then click Run.
  2. In the Open box, type regedit, and then click OK.
  3. Locate and then click to select the following key:


  1. On the Edit menu, point to New, and then click Key.
  2. Type Cached Mode.
  3. On the Edit menu, point to New, and then click DWORD Value.
  4. Type DownloadOAB, and then click OK.
  5. In the right pane, right-click DownloadOAB, and then click Modify.
  6. In the Edit DWORD Value dialog box, type the value that you want, and then click OK.
  7. On the Registry menu, click Exit.

You can set the DownloadOAB value to any one of the following values, depending on your situation:

  • 0 = The Offline Address Book does not download automatically.
  • 1 = The Offline Address Book uses the Download Full Items download mode. This is the default setting.
  • 2 = Download the Offline Address Book in any download mode, but download a differential update in the Header only download mode.
  • 3 = Always download the Offline Address Book and a differential update in one of the following download modes:

• Download Headers and then Full Items • Download Full Items • Download Headers

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