Your mobile device is temporarily blocked from accessing content via Exchange ActiveSync because the mobile device has been quarantined. Any account that has connected to Office 365 using the Outlook Web App will receive the following email message: New-ActiveSyncDeviceAccessRule –QueryString ‘Outlook for iOS and Android’ –Characteristic DeviceModel –AccessLevel Block

New-ActiveSyncDeviceAccessRule –QueryString ‘Outlook for iOS and Android’ –Characteristic DeviceModel –AccessLevel Quarantine OR Run the following command to Block: Block or Quarantine Outlook Web App Access for iPhone and Android Run the following command to Quarantine: $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri -Credential $UserCredential -Authentication Basic -AllowRedirection Run the following command: Connect to Office 365 via Powershell Open Windows Powershell and run the following command:Įnter your Office 365 Admin Username and Password when prompted Run the following command:

Whilst you may have disabled OWA for Mobile Devices in your Office 365 Tenancy you may also need to disable the Outlook App for iPhone and Android as well if you are looking at removing messaging off your mobile devices.

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