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Start-DatabaseAvailabilityGroup

 

Applies to: Exchange Server 2013

Topic Last Modified: 2012-07-12

Use the Start-DatabaseAvailabilityGroup cmdlet to reincorporate one or more previously failed members of a database availability group (DAG).

For information about the parameter sets in the Syntax section below, see Syntax.

Start-DatabaseAvailabilityGroup -Identity <DatabaseAvailabilityGroupIdParameter> -MailboxServer <MailboxServerIdParameter> [-ConfigurationOnly <SwitchParameter>] <COMMON PARAMETERS>
Start-DatabaseAvailabilityGroup -ActiveDirectorySite <AdSiteIdParameter> -Identity <DatabaseAvailabilityGroupIdParameter> [-ConfigurationOnly <SwitchParameter>] <COMMON PARAMETERS>
COMMON PARAMETERS: [-Confirm [<SwitchParameter>]] [-DomainController <Fqdn>] [-WhatIf [<SwitchParameter>]]

This example starts the Mailbox server MBX2 in the DAG DAG1.

Start-DatabaseAvailabilityGroup -Identity DAG1 -MailboxServer MBX2

This example starts the members of the DAG DAG1 in the Active Directory site Redmond.

Start-DatabaseAvailabilityGroup -Identity DAG1 -ActiveDirectorySite Redmond

The Start-DatabaseAvailabilityGroup cmdlet is used to activate DAG members in a recovered datacenter after a datacenter switchover, as part of the switchback process to the recovered datacenter. The Start-DatabaseAvailabilityGroup cmdlet manipulates configuration and state so that the servers are incorporated into the operating DAG, and joined to the DAG's underlying cluster. The Move-ActiveMailboxDatabase cmdlet is then used to activate databases in the primary datacenter.

You need to be assigned permissions before you can run this cmdlet. Although all parameters for this cmdlet are listed in this topic, you may not have access to some parameters if they're not included in the permissions assigned to you. To see what permissions you need, see the "Database availability groups" entry in the High Availability and Site Resilience Permissions topic.

 

Parameter Required Type Description

ActiveDirectorySite

Required

Microsoft.Exchange.Configuration.Tasks.AdSiteIdParameter

The ActiveDirectorySite parameter specifies whether to start all DAG members in the specified site.

Identity

Required

Microsoft.Exchange.Configuration.Tasks.DatabaseAvailabilityGroupIdParameter

The Identity parameter specifies the name of the DAG being started.

MailboxServer

Required

Microsoft.Exchange.Configuration.Tasks.MailboxServerIdParameter

The MailboxServer parameter specifies whether to start a single DAG member.

ConfigurationOnly

Optional

System.Management.Automation.SwitchParameter

The ConfigurationOnly switch specifies whether to update the Active Directory properties with the start action, but doesn't perform a start of the DAG or any members.

Confirm

Optional

System.Management.Automation.SwitchParameter

The Confirm switch causes the command to pause processing and requires you to acknowledge what the command will do before processing continues. You don't have to specify a value with the Confirm switch.

DomainController

Optional

Microsoft.Exchange.Data.Fqdn

The DomainController parameter specifies the fully qualified domain name (FQDN) of the domain controller that writes this configuration change to Active Directory.

WhatIf

Optional

System.Management.Automation.SwitchParameter

The WhatIf switch instructs the command to simulate the actions that it would take on the object. By using the WhatIf switch, you can view what changes would occur without having to apply any of those changes. You don't have to specify a value with the WhatIf switch.

To see the input types that this cmdlet accepts, see Cmdlet Input and Output Types. If the Input Type field for a cmdlet is blank, the cmdlet doesn’t accept input data.

To see the return types, which are also known as output types, that this cmdlet accepts, see Cmdlet Input and Output Types. If the Output Type field is blank, the cmdlet doesn’t return data.

 
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