Michael, We are currently tracking both of the issues you have mentioned with 
apple via CSS now. My issue is about to be placed on the list if I have 
anything to say about it. I have some special access but the best pressure I 
could apply to apple would be public awareness and calls to them from their 
customers.

Most customers who see the issue will modify their throttling policy and move 
on not knowing that they are now allowing IOS phones to blow up their CAS 
servers.

From: Michael B. Smith [mailto:mich...@smithcons.com]
Sent: Thursday, February 7, 2013 12:58 PM
To: MS-Exchange Admin Issues
Subject: RE: ActiveSync + Throttling + IOS

Don't you have more inside access than we do? :)

A couple of things are starting to percolate up with this latest iOS update - 
excessive log generation and throttling hits are being discussed on several 
forums. I haven't heard of any conclusions out of CSS yet, and none of my 
customers have reported any issues so I don't personally have a call open.

From: KevinM [mailto:kev...@wlkmmas.org]
Sent: Thursday, February 7, 2013 3:12 PM
To: MS-Exchange Admin Issues
Subject: ActiveSync + Throttling + IOS

I am tracking an issue for a number of customers where apple IOS devices are 
causing the %time in AD throttling policy to fire due to devices performing 
full GAL lookups for each key press. My feeling is that this is an IOS design 
flaw that should be fixed. Windows Phone searches local device contacts then 
presents an option to  attach to GAL; A much less expensive task for an 
Exchange server.  Too an end user the symptoms are delayed send and receive. 
Most noticeable are messages waiting to be sent on the device until the 
throttling blocking is removed.

The issue can be seen when you correlate IIS logs throttling errors with 
Activesync Mailbox logs and you look for <query>

RequestHeader :

POST 
/Microsoft-Server-ActiveSync/default.eas?User=xxxxxxxxxxxxxxxxx&DeviceType=iPhone&Cmd=Search
 HTTP/1.1

RequestBody :

<?xml version="1.0" encoding="utf-8" ?>

<Search xmlns="Search:">

<Store>

<Name bytes="3"/>

<Query>r</Query>


I am wondering if anyone else is running into this issue?

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