Topic Last Modified: 2010-11-04

Removes an Auto Attendant or Subscriber Access contact object for hosted Exchange Unified Messaging (UM).


Remove-CsExUmContact -Identity <UserIdParameter> [-Confirm [<SwitchParameter>]] [-WhatIf [<SwitchParameter>]]


Parameter Required Type Description




The unique identifier of the contact object you want to remove. Contact identities can be specified using one of four formats: 1) The contact’s SIP address; 2) the contact's user principal name (UPN); 3) the contact's domain name and logon name, in the form domain\logon (for example, litwareinc\exum1); and, 4) the contact's Active Directory display name (for example, Team Auto Attendant).

Full data type: Microsoft.Rtc.Management.AD.UserIdParameter




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




Prompts you for confirmation before executing the command.

Detailed Description

Microsoft Lync Server 2010 works with Exchange UM to provide several voice-related capabilities, including Auto Attendant and Subscriber Access. When Exchange UM is provided as a hosted service (rather than on-premises), contact objects must be created by using Windows PowerShell to apply the Auto Attendant and Subscriber Access functionality. Any of the objects that are created can be removed with the Remove-CsExUmContact cmdlet.

Who can run this cmdlet: By default, members of the following groups are authorized to run the Remove-CsExUmContact cmdlet locally: RTCUniversalUserAdmins. 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-CsExUmContact"}

Input Types

Microsoft.Rtc.Management.ADConnect.Schema.OCSADExUmContact object. Accepts pipelined input of Exchange UM contact objects.

Return Types

This cmdlet does not return an object. It removes an object of type Microsoft.Rtc.Management.ADConnect.Schema.OCSADExUmContact.


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

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Remove-CsExUmContact -Identity

This example removes the Exchange UM contact with the SIP address

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

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Get-CsExUmContact -Filter {LineURI -like "tel:425*"} | Remove-CsExUmContact

This example removes all Exchange UM contacts with LineURI values beginning with tel:425. The first part of this command calls the Get-CsExUmContact cmdlet with the Filter parameter, using this expression as the filter: LineURI -like "tel:425*". That filter specifies that we want to retrieve the Exchange UM contact objects that have a LineURI matching the wildcard string tel:425*. In other words, all line URIs that start with the string tel:425 and end with any set of characters. Once we have that collection of objects, we pipe the collection to the Remove-CsExUmContact cmdlet, which removes all the items in the collection.

See Also