You can perform the following tasks on the New Client Version Configuration or Edit Client Version Configuration page:

• Add new rules to a client version policy.

• Modify the rules that make up an existing client version policy

The following lists describe the menus, command, fields, and properties on the page.

• User agent You can select a client type from the list. The following table defines user agent codes.

  Client Name	User Agent
  Lync 2013, Lync 2010, Office Communicator	OC
  Lync Web App, Communicator Web Access	CWA
  Lync Phone Edition, Office Communicator Phone	OCPhone
  Communicator Phone Edition Platform	CPE
  Unified Communications Platform	UCCP
  Lync 2010 Attendee	AOC
  Live Meeting Add-In	LiveMeetingAddins
  Office Live Meeting	LMC
  Windows Messenger	WM
  Real-time Communications Client	RTC
  Lync 2010 for iPad	iPadLync
  Lync 2010 for iPhone	iPhoneLync
  Lync 2010 for Windows Phone	WPLync
  Lync 2010 for Nokia	NokiaLync
  Lync 2010 for Android	AndroidLync
  Mobility service	McxService

• Version number You can specify the version numbers for the following fields, or use wildcards to indicate the client version number.

  • Major version Specifies the number that corresponds to the major release of the client.

  • Minor version Specifies the number that corresponds to the minor release of the client.

  • Build Specifies the build number that corresponds to the major and minor release of the client.

  • Update Specifies the number that corresponds to the updated release of the client.

• Comparison operation You can specify the matching operation for the client version you specified in the preceding steps. The following operations are available:

  • Same as

  • Is not

  • Newer than

  • Newer than or same as

  • Older than

  • Older than or same as

• Action You can specify the action to perform when the criteria in the preceding steps are met. The following actions are available:

  • Allow Allows the client to log on.

  • Allow and Upgrade Allows the client to log on and receive updates from Windows Server Update Service or Microsoft Update. This action is available only when user agent OC is selected.

    Note:
    Selecting this action causes a notification to appear the next time users sign in to Lync 2013. The notification states that an update is available, even if updates have not yet been released to Windows Server Update Service or Microsoft Update. To avoid confusion, you should choose this action only after updates become available.

  • Allow with URL Allows the client to log on and displays a message about where to download another client version. You specify the URL in the URL field.

  • Block Prevents the client from logging on.

  • Block and Upgrade Prevents the client from logging on and allows the client to receive updates from Windows Server Update Service or Microsoft Update. This action is available only when user agent OC is selected.

  • Block with URL prevents the client from logging on and displays a message about where to download another client version. You specify the URL in the URL field.

For details about interoperability among clients and client versions, see Client Interoperability in Lync 2013 in the Planning documentation. For details about working with client version configurations, see Modify the Default Action for Clients Not Explicitly Supported or Restricted in the Operations documentation.