You can activate an Application Server by using the AppServer context. Use the following syntax example to activate an Application Server.

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LCSCmd.exe /AppServer:<Application Server FQDN> /Action:Activate /PoolName:<pool name> /Password:<Account Password> [/RefDomain:<Domain FQDN>] [/PDCRequired[:{TRUE\|FALSE}]] [/GlobalSettingsDC:<FQDN of a global settings domain controller>] [/DC:<domain controller FQDN>] [/GC:<Global Catalog FQDN>] [/Global:{Configuration \| System}][/User:<Account Name>] [/NoStart[:{TRUE\|FALSE}]] [/Force[:{TRUE\|FALSE}]] [/L:<log file path>] [/XML[:{TRUE\|FALSE}]] [/?[:{TRUE\|FALSE}]]

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LCSCmd.exe /AppServer:<Application Server FQDN>
/Action:Activate /PoolName:<pool name> /Password:<Account
Password> [/RefDomain:<Domain FQDN>]
[/PDCRequired[:{TRUE|FALSE}]] [/GlobalSettingsDC:<FQDN of a
global settings domain controller>] [/DC:<domain controller
FQDN>] [/GC:<Global Catalog FQDN>] [/Global:{Configuration
| System}][/User:<Account Name>] [/NoStart[:{TRUE|FALSE}]]
[/Force[:{TRUE|FALSE}]] [/L:<log file path>]
[/XML[:{TRUE|FALSE}]] [/?[:{TRUE|FALSE}]]

Such as:

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LCSCmd.exe /AppServer /Action:Activate /PoolName:Pool01 /Password:My$tr0ngPwd

Where:

Parameter	Description
/AppServer	Executes the action for the specified Application Server computer. If no FQDN is specified, the current computer is used.
/Action	Takes a string that specifies the action name. Valid action names include CheckLCServerState, Activate, Deactivate, ActivateApp, DeactivateApp, and Diag.
/PoolName	Specifies the name of the pool that the Application Server is going to serve. For Standard Edition servers, this must be the computer name.
/RefDomain	Specifies the reference domain FQDN.
/Global	Specifies the global setting location.
/Password	Specifies the service account password for the server.
/User	Specifies the service account name for the server. It defaults to RTCComponentService. If the specified user account does not exist, Office Communications Server 2007 R2 automatically creates the account.
/NoStart	Specifies whether to start the service on the server during activation.
/Force	Specifies whether to force task execution.

Activating Applications

After activating the Application Server, you need to activate the Conferencing Attendant, Conference Announcement Service, Outside Voice Control, and Response Group Service applications.

Note:
All supported configurations require that you install all four applications (Conferencing Attendant, Conference Announcement Service, Outside Voice Control, and Response Group Service), but you need to activate only the applications you will be using.

Here is the syntax for activating an application.

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LCSCmd.exe /AppServer:<Application Server FQDN> /Action:ActivateApp /ApplicationId:<application Id> /Password:<Account Password> [/RefDomain:<Domain FQDN>] [/PDCRequired[:{TRUE\|FALSE}]] [/GlobalSettingsDC:<FQDN of a global settings domain controller>] [/DC:<domain controller FQDN>] [/GC:<Global Catalog FQDN>] [/Global:{Configuration \| System}][/Port:<server port> ][/User:<Sign-in account for the service>] [/ExistingContactDN:<Existing Contact DN>] [/NoStart[:{TRUE\|FALSE}]] [/Force[:{TRUE\|FALSE}]] [/L:<log file path>] [/XML[:{TRUE\|FALSE}]] [/?[:{TRUE\|FALSE}]]

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LCSCmd.exe /AppServer:<Application Server FQDN>
/Action:ActivateApp /ApplicationId:<application Id>
/Password:<Account Password> [/RefDomain:<Domain FQDN>]
[/PDCRequired[:{TRUE|FALSE}]] [/GlobalSettingsDC:<FQDN of a
global settings domain controller>] [/DC:<domain controller
FQDN>] [/GC:<Global Catalog FQDN>] [/Global:{Configuration
| System}][/Port:<server port> ][/User:<Sign-in account
for the service>] [/ExistingContactDN:<Existing Contact
DN>] [/NoStart[:{TRUE|FALSE}]] [/Force[:{TRUE|FALSE}]]
[/L:<log file path>] [/XML[:{TRUE|FALSE}]]
[/?[:{TRUE|FALSE}]]

Heres an example.

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LCSCmd.exe /AppServer /Action:ActivateApp /ApplicationId:Microsoft.Rtc.Application.Caa /Password:My$tr0ngPwd

Where:

Parameter	Description
/AppServer	Executes the action for the specified Application Server computer. If no FQDN is specified, the current computer is used.
/Action	Takes a string that specifies the action name. Valid action names include CheckLCServerState, Activate, Deactivate, ActivateApp, DeactivateApp, and Diag.
/ApplicationId	Specifies the ID of the application to activate. Valid values are: Microsoft.Rtc.Application.Caa Microsoft.Rtc.Application.Cas Microsoft.Rtc.Application.Ccs Microsoft.Rtc.Application.Acd These values represent the Conference Attendant, Conference Announcement Service, Outside Voice Control, and Response Group Service, respectively.
/RefDomain	Specifies the reference domain FQDN.
/Global	Specifies the global setting location.
/Password	Specifies the service account password for the server.
/User	Specifies the service account name for the server. It defaults to RTCComponentService. If the specified user account does not exist, Office Communications Server 2007 R2 automatically creates the account.
/NoStart	Specifies whether to start the service on the server during activation.
/Force	Specifies whether to force task execution.