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How to prevent new sessions Services in Lync Server 2013?


Issue: How to prevent new sessions Services in Lync Server 2013?
Problem Statement:
While performing Lync Administrator job sometime you need to prevent new sessions for specific Lync Front End server. So that server can serve current connection and prevent new connection.
Preventing new connections allows its sessions on existing connections to continue until they naturally end. When all existing sessions have ended, the server is ready to be taken offline.
Resolution/Workaround:

Steps:
NOTE: you must have RTCUniversalServerAdmins group (or has equivalent user rights), or assigned to the CsServerAdministrator or CsAdministrator role, log on to any computer that is in the network in which you deployed Lync Server 2013.

a.     Open a browser window, and then enter the Admin URL to open the Lync Server Control Panel. E.g. https://Lyncadmin.domain.com/cscp

b.    In the left navigation bar, click Topology and then click Status.

 

c.     On the Status page, sort or search through the list as needed to find the computer that is running the services for which you want to prevent new sessions, and then click it.

d.    Click Action.

e.     Click Prevent new sessions for all services.


How to prevent specific service on Lync server.

1.    You must have RTCUniversalServerAdmins group (or has equivalent user rights), or assigned to the CsServerAdministrator or CsAdministrator role permission.

2.    Open a browser window, and then enter the Admin URL to open the Lync Server Control Panel. In the left navigation bar, click Topology and then click Status.

3.    On the Status page, sort or search through the list as needed to find the computer that is running the service you want to start or stop, and then click it.

4.    Click Properties.

5.    Sort the list of services, if necessary, and click the service for which you want to prevent new sessions.

6.    Click Action.

7.    Click Prevent new sessions for service.

8.    Click Close.

Thank you.

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