Block iOS devices with Block-IOS-Devices.ps1 Script

Microsoft keeps a list of problems: Current issues with Microsoft Exchange ActiveSync and third-party devices

After some problems at a customer i looked deeper at these problems.
Most problems come’s with iOS devices (iPhone and iPad)

Sow I made a list of al iOS versions (6,7 and 8) and there problems.

To keep this simple i created a powershell script: Block-IOS-Devices.ps1 or you can download it from the Technet Script Libary: Block iOS devices with Block-IOS-Devices.ps1 Script


Rapid growth in transaction logs, CPU use, and memory consumption in Exchange Server 2010, Exchange 2013 and Office 365 when a user syncs a mailbox by using an iOS 6.1-based or iOS 6.1.1-based device

Yesterday i was at customer who had problem dat transaction logs Rapid growl.
It was on a Exchange 2013 Server with CU5.

For Exchange 2010 there was released a KB

This is still a issue for Exchange 2010, Exchange 2013 and Office 365.

Microsoft has al ready blocked IOS 6.1 – 6.1.1 devices at Office 365.

Server was OK…. But When i run Get-EASDeviceReport.ps1 i saw some IOS 6.1 devices. Sow we going to block this IOS versions.

New-ActiveSyncDeviceAccessRule -querystring “iOS 6.1 10B141” -characteristic DeviceOS -accesslevel block
New-ActiveSyncDeviceAccessRule -querystring “iOS 6.1 10B142” -characteristic DeviceOS -accesslevel block
New-ActiveSyncDeviceAccessRule -querystring “iOS 6.1 10B143” -characteristic DeviceOS -accesslevel block
New-ActiveSyncDeviceAccessRule -querystring “iOS 6.1 10B144” -characteristic DeviceOS -accesslevel block
New-ActiveSyncDeviceAccessRule -querystring “iOS 6.1.1 10B145” -characteristic DeviceOS -accesslevel block

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