User cannot use the "Switch User" option on a locked hot-desk telephone that is running Lync 2010 Phone Edition

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Symptoms

Consider the following scenario:

  • You configure a common area telephone to run Microsoft Lync 2010 Phone Edition.

  • You configure the telephone as a hot-desk telephone.

  • You configure the telephone to lock automatically after a specified period of inactivity.

  • User A logs on to the telephone and then locks the telephone.

  • User B tries to log on to the telephone.

In this scenario, the Switch User option is not displayed in the menu for the locked telephone.

Note You can use the following cmdlets to configure the telephone to lock automatically after a specified period of inactivity:
Set-CsUCPhoneConfiguration –EnforcePhoneLock $True -PhoneLockTimeout <TimeSpan>

Resolution

To resolve this issue, install the appropriate cumulative update for the telephone that you are using:

For Polycom CX500, Polycom CX600, and Polycom CX3000 telephones

2701671 Description of the cumulative update for Lync 2010 Phone Edition for Polycom CX500, Polycom CX600, and Polycom CX3000 telephones: June 2012
For HP 4110 and HP 4120

2701670 Description of the cumulative update for Lync 2010 Phone Edition for HP 4110 and HP 4120: June 2012
For Aastra 6721ip and Aastra 6725ip

2701667 Description of the cumulative update for Lync 2010 Phone Edition for Aastra 6721ip and Aastra 6725ip: June 2012

More Information

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

For more information about how to use the Set-CsUCPhoneConfiguration cmdlets, go to the following Microsoft TechNet website:
Set-CsUCPhoneConfiguration

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