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Add new param DisableClassicPageBaselineSecurityMode for Set-SPOSite PowerShell cmdlets #1082

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Merged
padmagit77 merged 2 commits into from
Nov 26, 2025
Merged

Add new param DisableClassicPageBaselineSecurityMode for Set-SPOSite PowerShell cmdlets #1082

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fe5304f
Add new param AllowClassicPageBaselineSecurityModeOptout for Set-SPOS…
Nov 20, 2025
6ceeee2
Update property name to DisableClassicPageBaselineSecurityMode and up…
Nov 26, 2025
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21 changes: 21 additions & 0 deletions sharepoint/sharepoint-ps/Microsoft.Online.SharePoint.PowerShell/Set-SPOSite.md
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Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,7 @@ Set-SPOSite [-Identity] <SpoSitePipeBind> [-Owner <String>] [-Title <String>] [-
[-ListsShowHeaderAndNavigation <Boolean>] [-HidePeoplePreviewingFiles <Boolean>]
[-HidePeopleWhoHaveListsOpen <Boolean>] [-IsAuthoritative <Boolean>] [-AllowFileArchive <Boolean>]
[-AllowWebPropertyBagUpdateWhenDenyAddAndCustomizePagesIsEnabled <Boolean>] [-DisableSiteBranding <Boolean>]
[-DisableClassicPageBaselineSecurityMode <Boolean>]
[-WhatIf] [-Confirm] [<CommonParameters>]
```

Expand Down Expand Up @@ -522,6 +523,26 @@ Accept pipeline input: False
Accept wildcard characters: False
```

### -DisableClassicPageBaselineSecurityMode

> Applicable: SharePoint Online

Allows a site to disable baseline security mode for classic pages. When `DisableClassicPageBaselineSecurityMode` is set to `$true`, users can create and edit classic pages even if baseline security mode is enabled at the tenant level.
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@samkabue samkabue Nov 26, 2025 •
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enabled at the tenant level

baseline security mode is enabled at the tenant level.

@libihan so is there an equivalent tenant-level property that can be set to $true | $false?

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@libihan libihan Nov 26, 2025

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@samkabue Yes, there is a tenant-level property — not supported in the PowerShell cmdlets, but will be available to tenants in CY26H1 through the Microsoft Admin Center (market name: Baseline security mode – Block creation and editing of classic pages in SharePoint sites).

We added this site-level opt-out early to support MSIT in January.

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@samkabue samkabue Nov 26, 2025 •
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@libihan I'd suggest you guys also update the documentation for the tenant-level one, then reference it from here at that time. for now, this current PR is good to go.


PARAMVALUE: True | False

```yaml
Type: System.Boolean
Parameter Sets: ParamSet1
Aliases:

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False
```

### -AnonymousLinkExpirationInDays

> Applicable: SharePoint Online
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