Windows Mobile 5 ActiveSync - Changes not synchronised back to server

Hi,

We have just configured an Exchange 2003 SP2 Front-End Server for Outlook Mobile Access (OMA - ActiveSync over GPRS).

New mails are sent to the device as soon as they arrive in the mailbox - great ;D.

BUT...

When an email is read on the device, or is deleted on the device, the change is not replicated back to the Exchange Server until you do a manual send and receive.

I have configured OMA at multiple customer sites over the last few months and have not had this problem before.

I have two theories, both of which could be completely wrong but I will note them anyways as they are both unique to this deployment (like the problem is unique to this deployment).

1)  The device we are using this time is a Vodafone UK Palm Treo - this doesn't have a "Comm Manager", which seemed strange to me as all other WM5 devices I have worked with before have had this, but the DirectPush (if this is indeed what it uses), seems to work anyway.

2) The Exchange server is a front end server for several "real" exchange servers behind the scenes.  The desktops do not connect to this server as the mobile device does.  Could this be the problem?

All suggestions very welcome and thanks for taking the time to read my question,

James.
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CodestoneAsked:
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SembeeConnect With a Mentor Commented:
I have seen the complaints about the slow updates of read/unread status on the server before, but isn't something I have worried about myself. I have always seen Outlook and the device in sync unless I am in a poor coverage area.

I am not aware of a setting to change it, and I would be very hesitant to do so, particularly here in the UK. The device would have to poll the server more frequently, which could drive up data costs. There are enough concerns with this feature and increase in data costs already.

Simon.
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SembeeCommented:
OMA and Exchange Active Sync are two different things.

OMA is just a mobile version of OWA and uses live information. If the changes aren't happening with OMA then you have a more serious problem.

EAS shares the same back end as OMA, but operates in a different way.

In EAS, what sync schedule have you got setup?

Simon.
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CodestoneAuthor Commented:
Hi Sembee,

I have a peak time schedule of 08:00 to 18:00 set up and the clock and time zone are correct.

As I mentioned, mails are delivered to the device in real time.  The problem is that changes (such as mail read and mail deleted) aren't sent back to the Exchange server unless you do a manual send and receive on the device.

Thanks for the reply.
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SembeeCommented:
That wasn't quite what I meant, I should have been a little clearer... is it set to "As Items Arrive"? Also, is "Send Outgoing items immediately" set?

Simon.
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CodestoneAuthor Commented:
Ah, I see, yes both as you said.
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SembeeCommented:
Have you ruled out an issue with the device?
I like to test things with the emulator, as it rules out the device and the mobile phone network. Have you tried the emulator?
Although I know the network would not normally cause a problem as I run my own Windows Mobile 5.0 device on Vodafone UK.

Simon.
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CodestoneAuthor Commented:
Having checked out my facts Simon, it would appear that my own device doesn't do the above either.  Is this a limitation of MS DP or do you have it working?

J.
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CodestoneAuthor Commented:
Ok - interesting.  If you leave it long enough it works (about 10-15 minutes).

Do you know if there is a setting somewhere to make this either instant or to shorten the time?

Thanks again,

James.
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CodestoneAuthor Commented:
Thanks for your advice Simon.
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