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Unable to embed PowerApp iFrame onto Modern Communication Site

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Posted on by WayneKilner

On a newly created Modern Communication Site we are unable to embed an iFrame and Powerapp by following the following recommendation

https://powerapps.microsoft.com/en-us/blog/embed-powerapps-on-sharepoint-pages/

The following message is displayed:

Embedding content from this website isn't allowed, but your admin can change this setting. They will need to add 'web.powerapps.com' to the list of sites that are allowed.

Have discussed with Microsoft Sharepoint Support and they have checked custom scripts are enabled at collection level and also attempted to run Powershell Command :

Set-SPOSite -Identity [ modern communication site URL] -DenyAddAndCustomizePages $false

This results in the following error:

Set-SPOSite : SPOTenantSiteCollectionProvider::SetSiteProperties - Site
https://springwellcommunityschool.sharepoint.com/sites/HR-Payroll not found in Grid, but TAPS_Sites_UseSharePoint
flight in ONReverting to GM-based set-sposite (old) behavior for now
At line:1 char:1
+ Set-SPOSite -Identity https://spr--------------------<URL Here but removed>
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : NotSpecified: (:) [Set-SPOSite], ServerException
+ FullyQualifiedErrorId : Microsoft.SharePoint.Client.ServerException,Microsoft.Online.SharePoint.PowerShell.SetSi
te

Please advise

Categories:

Building Power Apps

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StevenMoore 92 on at

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I may be off the mark here, just did this on Friday. Site settings\Go to top level site settings\HTML field security\
I added the web.powerapps.com to the list and everything worked.

Some screen snips included.
WayneKilner 4 on at

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Thanks for this. We've confirmed your suggestions are all on at the site level but the HTML security option only appears on old classic pages, not on the new 'Communication Sites'
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v-micsh-msft Microsoft Employee on at

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Hi @WayneKilner,

What is your current situation?

If issue sitll insists, then could you please share more information about how you created your Community site?

Which method described in the article below you have followed (create a site collection, or a subsite)?

Create a community

If you created a community subsite, then here you need to run the Set-SPOSite command with the top site,

if you created a new site collection, the Set-SPOSite command should work.

Please take a try with the steps (for a site collection) below:

1. First install SharePoint Online Management Shell,

2. Open SharePoint Online Management Shell in Admin rights, then Type the following commands:

$o365Credentials = Get-Credential -UserName "user@company.onmicrosoft.com" -Message "YourPassword"

press enter,

This step would pop out an authentication Window asking you for the password, enter your Password and press Enter again,

After that, under SPO PowerShell, type:

Connect-SPOService -Credential $o365Credentials -Url "https://wicren-admin.sharepoint.com"

Press Enter,

then

Set-SPOSite "https://company.sharepoint.com/sites/community" -DenyAddAndCustomizePages $false

Press enter.

For the error message, please verify the following site:

https://springwellcommunityschool.sharepoint.com/sites/HR-Payroll

Is added as a site collection under

https://springwellcommunityschool-admin.sharepoint.com/

Regards,

Michael
v-micsh-msft Microsoft Employee on at

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Hi @WayneKilner,

Any updates on this?

If issue has resolved, please share your solution in your post, which could be much more helpful for the others with the same issue.

Regards,

Michael