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Exchange 2010 Activesync

Posted on 2013-06-19
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Last Modified: 2013-06-20
I run an Exchange 2010 server. I have several users of ActiveSync receiving emails on their cell phones. Starting last Friday we noticed several of the phones stopped working at 11:45am. This is a random selection of phones that are now not connecting. I pulled together information about each users device. What I have found is that the iPhone users are all still connected and receiving email. The Android users are a mixture. I have four Androids not connecting and two Androids that are still connecting. I cannot find a link as to why the phones cannot connect. I removed my account from my phone which was one of the four not connecting and tried to setup my account fresh. After setting up the account the phones start "Checking incoming server settings" then the error appears "Unable to connect to server". Any ideas?
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Question by:tdbrowning
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by:Amit
ID: 39260021
Upgrade your server to SP3 RU1, this issue is fixed with RU1.
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Author Comment

by:tdbrowning
ID: 39260128
Downloading and will apply tonight.
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Author Comment

by:tdbrowning
ID: 39262571
Installed the SP3 RU1 and still have same issue. No connection allowed from Cell.
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by:Amit
ID: 39262625
Would you test the user, which are not working using exrca.com site. If it is connecting fine, then it is an issue with Android device software.
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Author Comment

by:tdbrowning
ID: 39263169
FYI about the changes last night for those that might read this in the future.
I applied SP3 with RU1 last night to my Exchange. After applying the SP and the Release I discovered my email stopped sending outbound. After research and testing I discovered that the RU1 patch screws up Exchange Transport Rules. So if you are using Transport Rules do not apply the RU1 piece. As for the SP3 it appears to work fine.
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by:tdbrowning
ID: 39263193
I ran the test from exrca.com and it passed without issues. That sucks just because it could now be the cell phones which makes things even harder to figure out.
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Amit earned 500 total points
ID: 39263226
For Transport rule issue, you can disable it, call MS and they will provide you an interim update for free.

Secondly, if Active sync is passed via exrca.com site, then there is no issue from server side. It could be bug with android OS.
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Author Comment

by:tdbrowning
ID: 39263461
You are correct about bug on android os. I downloaded Touchdown trial and phone works fine. I guess I will have to tell my users to start downloading. Lol!
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by:Amit
ID: 39263579
:)
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This article explains backup scenarios when using network storage. We review the so-called “3-2-1 strategy” and summarize the methods you can use to send NAS data to the cloud

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