1. Log on to the computer where Lync Server Management Shell is installed as a member of the RTCUniversalServerAdmins group or a role-based access control role to which you have assigned the Get-CsConferenceDirectory and the Remove-CsConferenceDirectory cmdlet.

2. Start the Lync Server Management Shell: Click Start, click All Programs, click Microsoft Lync Server 2010, and then click Lync Server Management Shell.

3. To use the Get-CsConferenceDirectory cmdlet to display all the conference directories configured for use in your organization and the Remove-CsConferenceDirectory cmdlet to remove all conference directories, type:

   Caution:
   The following code removes all conference directories. If you have conference directories that you imported from Microsoft Office Communications Server 2007 R2 or Microsoft Office Communications Server 2007, do not remove them. Instead, you need to remove the individual conference directories. For details, see Move a Conference Directory and Dial-in Conferencing Contact Objects.

   	Copy Code
   Get-CsConferenceDirectory | Remove-CsConferenceDirectory -Force

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