Outlook client applications cannot connect to public folders


I have faced my previous assignment so that I followed the below instruction , so that problem has been resolved.

Issue:

Outlook client applications cannot connect to public folders

Cause:

The issue occurs because the Microsoft Exchange RPC Client Access service acts as a proxy for earlier versions of the Availability service (free/busy information). Therefore, if you have a public folder that is installed on an Exchange Server 2010 server, the Microsoft Exchange RPC Client Access service intercepts the free/busy information requests.

Solution:

You require disabling the Availability service calls as follows:

1. Click Start, click Run, type regedit in the Open box, and then click OK.

2. Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeRPC\

3. On the Edit menu, point to New, and then click Key.

4. Type ParametersSystem, and then press Enter.

5. Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeRPC\ParametersSystem

6. On the Edit menu, point to New, and then click Dword Value.

7. Type DisableAvailabilityServiceCalls, and then press Enter.

8. In the details pane, right-click DisableAvailabilityServiceCalls, and then click Modify.

9. In the Value data box, type 1, and then click OK.

10. Exit Registry Editor.

I would like thanks to Microsoft Support team

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