exchange 2003 intermittent sync mobile phone email


I have posted a similar question previously and thought that it was resolved but the issue seems to be ongoing.

We have some users with Iphone and Nokia phones using mail for exchange and the service appears intermittent - getting email one minute then failing to sync correctly the next and I want to start over from scratch as far as diagnosing the problem - starting with the exchange server and any related components. I want to concentrate on the health of the exchange server as far as being able to say that all is well (or not) in terms of synchronising services to mobile devices. How do I verify that the exchange server is doing its job in this respect - email services to outlook and OWA seem ok in general.

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pabby061203Author Commented:
HI MegaNuk3

I have a tech guy from the AV company about to go through things here in detail and I am aware of the potential AV contribution to the issue. If he rules out the AV as being the cause/contributor I would like to say to those affected by the issue that the Exchange Server and related synch components are healthy and working - (or not - and fix it) - so my focus and core of the question is - Is there anything I can do to check the exchange server itself and make sure all is well -in advance of checking the AV side of things.  Thanks
Are IIS http keep Alives on and set to 120 seconds at least? I prefer a 600 second value.

The article I posted has all the permissions and testing procedures so is worth a read.
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pabby061203Author Commented:

I have been going through the article and its very good. I have a related question: we are not using ssl at the moment for Iphone/Nokia/ active sync and the step where its says to enable ssl in the exchange server active sync properties:

Microsoft-Server-Activesync Virtual Directory
•      Authentication = Basic
•      Default Domain = NETBIOS domain name - e.g., yourcompany* (no more than 15 characters)
•      Realm = NETBIOS name
•      IP Address Restrictions = Granted Access
•      Secure Communications = Require SSL and Require 128-Bit Encryption IS ticked

If I was to do this (bearing in mind we are currently not using ssl) will it require a certificate or can we just use the secure channel - are there other changes required to the handsets - what will be the over all effect? Or will it simply not work?  I know that the exchange connectivity analyser fails due to not seeing a relevant ssl cert -   would it be fair to say that the whole thing should still work without SSL but would be less secure?

Yes you can use it without SSL but as you mentioned it is a lot less secure because the username and password are sent in clear text
pabby061203Author Commented:
It looks like the AV scanning the mail store is causing the issue. Thanks again guys.
Was it file level scanning the EDB file or exchange level actually scanning the mailboxes? Did you end up adding the reg key as per Alan's article?
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