Update-DatabaseSchema

Reference

Module:: ExchangePowerShell

Applies to:: Exchange Server 2013, Exchange Server 2016, Exchange Server 2019

This cmdlet is available only in on-premises Exchange.

Use the Update-DatabaseSchema cmdlet to upgrade the database schema for one or more databases after an Exchange software update that includes database schema updates has been installed on Mailbox servers in a database availability group (DAG). Some software updates for Exchange may include database schema updates. After such an update has been installed on all members of a DAG, the administrator must run the Update-DatabaseSchema cmdlet for each database in the DAG and dismount/mount or failover the database to trigger the database schema update. The in-place database schema upgrade engine ensures that no schema updates occur until all members of the DAG have compatible versions of the software.

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

Syntax

Update-DatabaseSchema
      [-Identity] <DatabaseIdParameter>
      -MajorVersion <UInt16>
      -MinorVersion <UInt16>
      [-Confirm]
      [-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

Update-DatabaseSchema DB1

This example updates the database schema for database DB1.

Parameters

-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 2013, Exchange Server 2016, Exchange Server 2019

-Identity

The Identity parameter specifies the mailbox database for which you want to set one or more attributes. You can use any value that uniquely identifies the database. For example:

Name
Distinguished name (DN)
GUID

Type:	DatabaseIdParameter
Position:	1
Default value:	None
Required:	True
Accept pipeline input:	True
Accept wildcard characters:	False
Applies to:	Exchange Server 2013, Exchange Server 2016, Exchange Server 2019

-MajorVersion

This parameter is reserved for internal Microsoft use.

Type:	UInt16
Position:	Named
Default value:	None
Required:	True
Accept pipeline input:	False
Accept wildcard characters:	False
Applies to:	Exchange Server 2013, Exchange Server 2016, Exchange Server 2019

-MinorVersion

This parameter is reserved for internal Microsoft use.

Type:	UInt16
Position:	Named
Default value:	None
Required:	True
Accept pipeline input:	False
Accept wildcard characters:	False
Applies to:	Exchange Server 2013, Exchange Server 2016, Exchange Server 2019

-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 2013, Exchange Server 2016, Exchange Server 2019

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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