Start-RetentionAutoTagLearning

Reference

Module:: ExchangePowerShell

Applies to:: Exchange Server 2010

This cmdlet is available only in Exchange Server 2010.

Use the Start-RetentionAutoTagLearning cmdlet to start auto-tagging for a specified mailbox or to cross-validate auto-tagging results for the mailbox.

Messaging records management (MRM) must be configured before the Start-RetentionAutoTagLearning cmdlet can be used. For more information, see Understanding Retention Tags and Retention Policies.

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

Syntax

Start-RetentionAutoTagLearning
     [-Identity] <MailboxIdParameter>
     [-CrossValidate]
     [-NumberOfSegments <Int32>]
     [-Confirm]
     [-DomainController <Fqdn>]
     [-WhatIf]
     [<CommonParameters>]

Start-RetentionAutoTagLearning
     [-Identity] <MailboxIdParameter>
     [-Clear]
     [-Train]
     [-Confirm]
     [-DomainController <Fqdn>]
     [-WhatIf]
     [<CommonParameters>]

Description

You need to be assigned permissions before you can run this cmdlet. Although this topic lists all parameters for the cmdlet, you may not have access to some parameters if they're not included in the permissions assigned to you. To find the permissions required to run any cmdlet or parameter in your organization, see Find the permissions required to run any Exchange cmdlet.

Examples

Example 1

Start-RetentionAutoTagLearning -Identity "Joe Healy" -Train

This example sets user Joe Healy's mailbox to train.

Example 2

Start-RetentionAutoTagLearning -Identity "Joe Healy" -CrossValidate -NumberOfSegments 15

This example sets user Joe Healy's mailbox to cross-validate and sets the number of segments for cross-validation to 15.

Example 3

Start-RetentionAutoTagLearning -Identity "Joe Healy" -Clear

This example sets user Joe Healy's mailbox to clear all retention policy tags assigned by auto-tagging.

Parameters

-Clear

The Clear switch specifies whether to clear auto-tags from the specified mailbox. You don't need to specify a value with this switch.

Type:	SwitchParameter
Position:	Named
Default value:	None
Required:	False
Accept pipeline input:	False
Accept wildcard characters:	False
Applies to:	Exchange Server 2010

-Confirm

The Confirm switch specifies whether to show or hide the confirmation prompt. How this switch affects the cmdlet depends on if the cmdlet requires confirmation before proceeding.

Destructive cmdlets (for example, Remove-* cmdlets) have a built-in pause that forces you to acknowledge the command before proceeding. For these cmdlets, you can skip the confirmation prompt by using this exact syntax: -Confirm:$false.
Most other cmdlets (for example, New-* and Set-* cmdlets) don't have a built-in pause. For these cmdlets, specifying the Confirm switch without a value introduces a pause that forces you acknowledge the command before proceeding.

Type:	SwitchParameter
Aliases:	cf
Position:	Named
Default value:	None
Required:	False
Accept pipeline input:	False
Accept wildcard characters:	False
Applies to:	Exchange Server 2010

-CrossValidate

The CrossValidate switch specifies whether items in the specified mailbox are being auto-tagged. You don't need to specify a value with this switch.

Type:	SwitchParameter
Position:	Named
Default value:	None
Required:	True
Accept pipeline input:	False
Accept wildcard characters:	False
Applies to:	Exchange Server 2010

-DomainController

The DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory. You identify the domain controller by its fully qualified domain name (FQDN). For example, dc01.contoso.com.

Type:	Fqdn
Position:	Named
Default value:	None
Required:	False
Accept pipeline input:	False
Accept wildcard characters:	False
Applies to:	Exchange Server 2010

-Identity

The Identity parameter identifies the mailbox. You can use any value that uniquely identifies the mailbox. For example:

Name
Alias
Distinguished name (DN)
Canonical DN
Domain\Username
Email address
GUID
LegacyExchangeDN
SamAccountName
User ID or user principal name (UPN)

Type:	MailboxIdParameter
Position:	1
Default value:	None
Required:	True
Accept pipeline input:	True
Accept wildcard characters:	False
Applies to:	Exchange Server 2010

-NumberOfSegments

The NumberOfSegments parameter specifies the number of segments. Auto-tagging divides a mailbox into the number of segments specified and learns tagging behavior from n-1 segments. Tags are then predicted for items in the remaining segment based on this behavior. This is done for each segment.

The default value is 10.

The minimum value is 2.

You csn only use this parameter with the CrossValidate parameter.

Type:	Int32
Position:	Named
Default value:	None
Required:	False
Accept pipeline input:	False
Accept wildcard characters:	False
Applies to:	Exchange Server 2010

-Train

The Train switch specifies whether to start the training algorithm for auto-tagging on the specified mailbox. You don't need to specify a value with this switch.

This switch is especially useful for retraining.

Type:	SwitchParameter
Position:	Named
Default value:	None
Required:	False
Accept pipeline input:	False
Accept wildcard characters:	False
Applies to:	Exchange Server 2010

-WhatIf

The WhatIf switch simulates the actions of the command. You can use this switch to view the changes that would occur without actually applying those changes. You don't need to specify a value with this switch.

Type:	SwitchParameter
Aliases:	wi
Position:	Named
Default value:	None
Required:	False
Accept pipeline input:	False
Accept wildcard characters:	False
Applies to:	Exchange Server 2010

Inputs

Input types

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.

Outputs

Output types

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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