Topic Last Modified: 2010-10-01

Removes an existing conference directory. Conference directories are used to help dial-in conferencing users locate conference information.


Remove-CsConferenceDirectory -Identity <XdsGlobalRelativeIdentity> [-Confirm [<SwitchParameter>]] [-Force <SwitchParameter>] [-WhatIf [<SwitchParameter>]]


Parameter Required Type Description



Xds Identity

Numeric identity of the conference directory to be removed.



Switch Parameter

When present, removes the conference directory even if the pool that hosts the directory is currently unavailable. By default, Remove-CsConferenceDirectory will not remove directories if the corresponding pool cannot be contacted.



Switch Parameter

Describes what would happen if you executed the command without actually executing the command.



Switch Parameter

Prompts you for confirmation before executing the command.

Detailed Description

When you create a dial-in conferencing Uniform Resource Identifier (URI) those URIs are assigned unique SIP addresses. However, SIP addresses are difficult to translate to devices that are not SIP-aware; for example, a public switched telephone network (PSTN) telephone can’t translate a SIP address. Because of that, Microsoft Lync Server 2010 uses conference directories as a way to help these devices locate, and connect to, dial-in conferences. This is done by creating a SIP conference directory that is associated with each dial-in conferencing URI, and is identified by an integer value rather than a SIP URI. PSTN telephones and other devices can then use these numbers (rather than a SIP URI) when connecting to conferences; the directory number is included in the PSTN conference identification users enter when connecting to a dial-in conference.

Conference directories are created by using the New-CsConferenceDirectory cmdlet. Occasionally, you might need to delete one or more of these directories; for example, you might need to decommission the pool where the directories were hosted. Conference directories can be removed by calling the Remove-CsConferenceDirectory cmdlet. Note that if you need to move a directory from one pool to another, you can do so by calling the Move-CsConferenceDirectory cmdlet.

Who can run this cmdlet: By default, members of the following groups are authorized to run the Remove-CsConferenceDirectory cmdlet locally: RTCUniversalServerAdmins. To return a list of all the role-based access control (RBAC) roles this cmdlet has been assigned to (including any custom RBAC roles you have created yourself), run the following command from the Windows PowerShell prompt:

Get-CsAdminRole | Where-Object {$_.Cmdlets –match "Remove-CsConferenceDirectory"}

Input Types

Microsoft.Rtc.Management.WritableConfig.Settings.PstnConf.ConferenceDirectories object. Remove-CsConferenceDirectory accepts pipelined input of conference directory objects.

Return Types

None. Instead, Removes-CsConferenceDirectory deletes instances of the Microsoft.Rtc.Management.WritableConfig.Settings.PstnConf.ConferenceDirectories object.


-------------------------- Example 1 ------------------------

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Remove-CsConferenceDirectory -Identity 2

The command shown in Example 1 deletes the conference directory with the Identity 2.

-------------------------- Example 2 ------------------------

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Get-CsConferenceDirectory | Where-Object {$_.ServiceID -match ""} | Remove-CsConferenceDirectory

The preceding command deletes all the conference directories found on the service To do this, the command first calls Get-CsConferenceDirectory without any parameters; that returns a collection of all the conference directories currently in use in the organization. This collection is then piped to the Where-Object cmdlet, which picks out only those directories hosted on the service In turn, that filtered collection is piped to, and deleted by, the Remove-CsConferenceDirectory cmdlet.

See Also