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Applies to:Volume licensed versions of Office 2019 and Office 2016, including Project and Visio

The Office Software Protection Platform script (ospp.vbs), the Software License Manager script (slmgr.vbs), and the Volume Activation Management Tool (VAMT) can help you configure and test volume licensed versions of Office, including Project and Visio. Before you read this article, we recommend that you read Overview of volume activation of Office, Activate volume licensed versions of Office by using MAK, and Activate volume licensed versions of Office by using Active Directory.

Support for Office 2016 for Mac ended on October 13, 2020. For more information, see End of support for Office 2016 for Mac. This guide covers the following areas: What's new for admins in Office for Mac. Deployment options for admins for Office for Mac. Deploy updates for Office for Mac.

The ospp.vbs script

The Office Software Protection Platform script (ospp.vbs) enables you to configure volume licensed versions of Office products, including Project and Visio. The ospp.vbs script is located in the Program FilesMicrosoft OfficeOffice16 folder. If you installed the 32-bit version of Office on a 64-bit operating system, go to the Program Files (x86)Microsoft OfficeOffice16 folder.

Running ospp.vbs requires the cscript.exe script engine. To see the Help file, type the following command, and then press ENTER:

cscript ospp.vbs /?

The general syntax is as follows:

Office suites are a one-time purchase that includes apps such as Word, Excel, and PowerPoint for use on a single PC or Mac. Office 2016 suites for business may be purchased for more than five computers through volume licensing.
For example, if you're licensed for Microsoft Office Professional Plus 2019 through Volume Licensing, you can use Microsoft Office Professional Plus 2016 instead. But you may not downgrade to Microsoft Office Standard Edition 2016 because it is a different product and not considered a prior version of Microsoft Office.

cscript ospp.vbs [Option:Value] [ComputerName] [User] [Password]

Option Specifies the option and value to use to activate a product, install or uninstall a product key, install and display license information, set KMS host name and port, and remove KMS host name and port. The options and values are listed in the tables in this section.

ComputerName Name of the remote computer. If a computer name is not provided, the local computer is used.

User Account that has the required permission on the remote computer.

Password Password for the account. If a user account and password are not provided, the current credentials are used.

Important

Before you run the ospp.vbs, ensure that:

If you want to run the script on a remote computer, the Windows firewall allows Windows Management Instrumentation (WMI) traffic on the remote computer.
The user account you will use is a member of the Administrators group on the computer on which you run the script.
You run ospp.vbs script from an elevated command prompt.

Global options for ospp.vbs

Global option	Description
/act	Activates installed Office product keys.
/inpkey:value	Installs a product key (replaces existing key) with a user-provided product key. Value option is required.
/unpkey:value	Uninstalls an installed product key with the last five digits of the product key to uninstall (as displayed by the /dstatus option). Value parameter is required.
/inslic:value	Installs a license with user-provided path of the .xrm-ms license. Value parameter is required.
/dstatus	Displays license information for installed product keys.
/dstatusall	Displays license information for all installed licenses.
/dhistoryacterr	Displays the failure history for MAK/retail activation.
/dinstid	Displays Installation ID for offline activation.
/actcid:value	Activates product with user-provided Confirmation ID. Value parameter is required.
/rearm	Resets the licensing status for all installed Office product keys.
/rearm:value	Resets the licensing status for an Office license with a user-provided SKUID value. Value parameter is required. Use this option with the SKUID value specified by using the /dstatus option if you have run out of rearms and have activated Office through KMS or Active Directory-based activation to gain an additional rearm.
/ddescr:value	Displays the description for a user-provided error code. Value parameter is required.

The following table describes the ospp.vbs options for configuring the KMS client.

KMS client options for ospp.vbs

KMS client option	Description
/dhistorykms	Displays KMS client activation history.
/dcmid	Displays KMS client computer ID (CMID).
/sethst:value	Sets a KMS host name with a user-provided host name. Value parameter is required. This sets HKLMSoftwareMicrosoftOfficeSoftwareProtectionPlatformKeyManagementServiceName (REG_SZ).
/setprt:value	Sets a KMS port with a user-provided port number. The default port number is 1688. Value parameter is required. This sets HKLMSoftwareMicrosoftOfficeSoftwareProtectionPlatformKeyManagementServicePort (REG_SZ).
/remhst	Removes KMS host name and sets port to default. The default port is 1688.
/cachst:value	Allows or denies KMS host caching. Value parameter is required (TRUE or FALSE).
/actype:value	(Windows 8.1 and later versions only) Sets volume activation type. Value parameter is required. Values: 1 (for Active Directory-based), 2 (for KMS), 0 (for both).
/skms-domain:value	(Windows 8.1 and later versions only) Sets the specific DNS domain in which all KMS SRV records can be found. This setting has no effect if the specific single KMS host name is set by the /sethst option. Value parameter is the Fully Qualified Domain Name (FQDN) and is required.
/ckms-domain	(Windows 8.1 and later versions only) Clears the specific DNS domain in which all KMS SRV records can be found. The specific KMS host is used if it is set by the /sethst option. Otherwise, auto-discovery of the KMS host is used.

Scenarios that use ospp.vbs

The following scenarios assume that you are running ospp.vbs in an elevated command prompt.

Note

Any changes that you make affect only the Office client products. You have to configure the Windows client separately by using the slmgr.vbs script described in The slmgr.vbs script later in this article.

To change the product key to a MAK key on a remote computer

If the remote computer is named contoso1, run the following command to enter the product key. This assumes that you have administrator credentials on the remote computer. If your credentials on the remote computer differ from your logon name and password, you must type your logon name and password at the command line, and then press ENTER:
cscript ospp.vbs /inpkey:xxxxx-xxxxx-xxxxx-xxxxx-xxxxx contoso1
To activate the remote computer, type the following command, and then press ENTER:
cscript ospp.vbs /act contoso1

To diagnose KMS activation errors

If the computer has the KMS client key insta

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