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johntatum Level 1 Level 1
I'm still experiencing the issue where my iPhone randomly stops getting mail from Exchange/ActiveSync. The first time I experienced it after the update I deleted and recreated the exchange account, it immediately resumed working. The second time I did a complete restore as a new phone, and the issue reappeared again a few hours later.

Here's what I do know:
-This issue is NOT with the exchange server as we have numerous other Windows Mobile devices using activesync with no service interruption whatsoever. The iPhone however will not receive mail on the Exchange account until I delete/reconfigure the account on the iPhone itself.
-Rebooting the iPhone used to work, however does not work anymore.
-I have even kept WiFi disabled so it's not related to switching between WiFi and 3G.
-I have 2 other accounts configured, a mobileme account set to sync contact and bookmarks only, and a gmail account.

Has Apple even officially acknowledged this issue?

MBP 2.4Ghz Penryn, 4GB Ram, iPhone 3G, Mac OS X (10.5.4)
  • MNLang Level 1 Level 1
    John, I am in the same boat with you. We are running Exchange 2007 and have continuously had push stop syncing after a change in network, wifi/3G/Edge, or so it seems.

    Additional points:
    -EAS is (had for me too) working perfectly with a handful of TREOs
    -We have 4 iPhone users reporting the same problem of push stopping.
    -Exchange initially syncs (after accepting the certificate) and populates email, calendar, and contacts.
    -I also have a POP account & Gmail account configured
    -A reset of the mail app does not restart push, nor does a hard reset of the phone.
    -IT adjusted the heartbeats on the server and reported that the server was not logging any errors from our devices.
    -I am running 2.1 and I have had this problem since 2.0.
    -When push stops, my battery life drops dramatically.

    Any ideas?

  • johntatum Level 1 Level 1
    These are the exact symptoms I'm experiencing. The only difference is that we are running Exchange 2003. I have my Exchange account, a MobileMe account, and Gmail set up on my iPhone. If Apple wants to be taken seriously in the enterprise environment you'd think they would show this issue a little more attention.
  • bucoybrown Level 1 Level 1
    My flavor of this problem, if it is the same issue, is that I am able to get mail from ActiveSync okay, but not without what seems to be a spurious error dialogue, saying: Cannot get Mail - The connection to the server failed. Comparing what is on my iPhone versus my desktop clients, I see that things are sync'ed up fine. It's just incredibly annoying, if not non-functional.
  • Gnadenthal Level 1 Level 1
    Having the same problem with EXCH 2003 as well. We had very few problems with 2.0.2, but this 2.1 is a major hassle.
  • SteveMWilliams Level 1 Level 1
    I've posted this is a couple of other threads.

    I have been unable to get the iPhone 3G to sync with our exchange server (2003 SP2). When I first setup the account on the iPhone, enter the user credentials and server address etc, it verifies the account ok. Now I assumed from this that all would be ok, but when I try and sync mail account, I get the "Cannot Get Mail" "The connection to the server failed", which makes no sense to me at all as it has already connected and confirmed the account when I set the mail account up.

    Its been over a month now and despite trying everything suggested to me, it still will not work.

    We have blackberry users at the company as well, and their devices sync mail, calendar and contacts using ActiveSync without any problems at all.

    Something isn't quite right.
  • smokinburt Level 1 Level 1
    I had a similar issue. My phone would sync up fine initially, but then I would not receive any push email. I would only get email when manually fetching. It turned out to be an issue with a Microsoft Security update. I fixed it by following this article: or-may-not-work-properly-after-installing-ms08-037-951746-and-951748.aspx
  • mrabkin Level 1 Level 1
    I have the same problem:
    - Account is verified instantly and seems to work
    - Calendar works great, push works, new events appear, etc.
    - EMail never, ever syncs. I know it can connect because the list of sub-folders I have under "Inbox" appears, but I can never download any mail messages.
    - It just spins for a while and says "Connection to server failed."

    I have iPhone 2.1 -- this stopped working in the last week, after I upgraded.
  • hamspanner Level 1 Level 1
    I have all sorts of problem on my iphone too and the 2.1 update seems to have made its worse. We are running Exchange 2003 and I have been using Windows Mobile Activesync flawlessly for about 2 years. I dont want to Push email because I understand its guzzles battery life, so I am setting my phone to Manual collection. The iPhone only seems to download e-mail once I its been read using Outlook, (either OWA or Outlook client) I have tried just about everthing on the iphone to get it to work, so far all to no avail. Bottom line, at the moment it aint working reliably which is terribly disappointing because e-mail is the most important thing for me. The only saving grace is that OWA works pretty well in Safari, however with the flaky connection with 3G or GPRS, unfortunately this isnt robust enough to depend on! I think I may see if I can switch to IMAP as I understand others are doing!
  • SteveMWilliams Level 1 Level 1
    Well I can confirm that IMAP works absolutely fine, but this is no good to me because we use Exchange Server and my boss needs his contacts and calendar to sync as well.
  • SpilioG Level 1 Level 1
    Got "cannot get mail etc" message too. Tried everything and nothing happens.
    Any other ideas.
    (Having iPhone 1st gen, with 2.1 and a company exchange 2003 svr. When I set up the company mail as an IMAP it works perfect but when I'm trying as an "Exchange" it verifies the set up and after that I'm always having the msg. maybe I'll through my phone).
  • MNLang Level 1 Level 1
    It would seem to me this has to a problem on the iPhone side, and not on the server. Especially seeing that we are able to initially sync everything (mail, contacts, calendar) perfectly. When the push (or even manual retrieval for that matter) drops, and you get the dreaded "Cannot Get Mail/The Connection to the Server Failed" Message, you have to go back into settings, change one number on the port number, back out, go back and in replace the number, and sync and connect again. I would try a reset of the phone, but even on a new install, the drop occurs.

    I sincerely hope Apple addresses this issue. It is beginning to look like a deal breaker for us if they do not. Especially seeing my TREO, under the same Exchange Server, never, ever, had a problem with EAS.
  • LenH Level 2 Level 2
    In case you weren't aware, BlackBerry devices are unable to use ActiveSync. The BlackBerry Enterprise Server uses MAPI directly to Exchange to retrieve email for the BlackBerry device.

    I mention this only because I keep reading posts saying that the BlackBerry devices work just fine, but that's because they use a completely different access method -- the two really shouldn't be compared for this purpose.

    I hope this is useful.
  • LenH Level 2 Level 2
    Usually, there is a firewall and/or an ISA server between the Exchange server and the iPhone. So a few things to check:
    1) Is the firewall connection time-out set correctly per Apple's specs?
    +For all firewalls and network appliances, set the idle session timeout to 30 minutes.+
    2) Is the ISA server up-to-date and fully patched?
    3) Is the coverage adequate. I have seen this error message when the iPhone is switching between 3G and EDGE networks, however, I haven't ever experienced the push stall.
  • SteveMWilliams Level 1 Level 1
    Hi LenH.

    My company doesn't operate a hardware ISA firewall. We use the inbuilt firewall with our Netgear DG834G router. Therefore, I don't believe there are any settings I can change on that.

    3G coverage is fine as internet operates fine, as does an IMAP email account I've setup on there.

    Unlike others who have posted here, I have NEVER managed to sync this iPhone with the users Exchange mail account for email, contacts or calendar. I've only got as far as verifying the account when I set it up.

    Is there anything I can try? ActiveSync is enabled under "Mobile Services" in Exchange System Manager.

    Our server is running Exchange 2003 SP2. iPhone is running 2.1 software
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