Client Version Filter

One potential use case for a Director is to control the client versions connecting to the Lync Server infrastructure. Since the Director is an initial sign-in point for any client, it makes sense to perform a filter check at the sign-in point. To manage which types of clients can connect to a Director, use the following steps:

1. Open the Lync Server Control Panel.

2. Click Clients.

3. Ensure that Client Version Policy is highlighted, click New, and select Pool Policy.

Note

If a policy is edited at the Service level as in this previous example, it will apply only to the selected service and pool. The example only enforces the client version filter at the Director, meaning that an endpoint could sign in to a Front End pool directly without a client check. Be sure to edit the global policy if the client filtering should be performed on all pools.

4. Highlight the Director pool name and click OK.

5. Highlight a client application such as OC and click Modify.

6. Note the Action at the end of the screen. This can be modified to block or allow, with the option to present a URL to the user, or even upgrade the application at sign-in. Click OK to save any changes.

7. Add, modify, or remove any specific client applications and versions the Director pool should check as shown in Figure 9.9, and click Commit.

Image

Figure 9.9. The client version filter in Lync Server 2013.

8. Click the Client Version Configuration menu option.

9. Highlight the Global Policy, click Edit, and then click Modify.

10. The default action here applies to any client application not listed within the Client Version Policy. By default, any client application not listed in the Client Version Policy will be allowed to sign in.

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