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Exchange 2010 Driving me mad.

Posted on 2011-09-08
Medium Priority
Last Modified: 2012-05-12
I feel like I'm dead in the water. We're switching phones from blackberries (which connect to our bez server, and I can't wait to dump that thing) to just using Active sync to connect to some new androids. To do this I installed a new Exchange 2010 server in our organization to eventually replace the old 2003 server. I've got two last problems to resolve (fingers crossed) to get this working. One being have active sync pass outside of our network. And two to have the 2003 server and 2010 share mail between them (which apparently isn't as easy as creating a connector between them). So let's look at them one at a time.

The problem seems to be this with activesync. I plugged in a wireless router to our network and was able to connect to active sync directly , but am not able to connect from the internet. So I figure this is because of the fact that active sync uses port 443. And port 443 is already used on our firewall (by the way we only have one public IP address. So I went into IIS on the new 2010 server and added a binding to Active sync for port 1443 (but did not remove 443). And then went onto the firewall and forwarded 1443 to the appropriate server. But activesync still won't work. Now tell me if I'm wrong in thinking how activesync is used.      I believe that it uses IIS web service ports to communicate, and then IIS relays to exchange for the client, and exchange replies to IIS (not the client) and then it is IIS's job to communicate to the client. Am I wrong? If not, then why didn't this work?

Second thing is communication between our old exchange 2003 server and the new 2010 server. I thought you could just add a connector into exchange 2010 which would communicate back and forth for you, but the mailboxes which have been moved to the new server are not recieving anything from the outside. Now consider this though... We have a mail-wall. The firewall forwards all incoming mail to the mail-wall. If the Mail-wall accepts the message it is set to forward it to the old 2003 server. The mail-wall will not forward to muiltipule targets, so it has to forward to the 2003 server, and then I wanted it to be the job of the 2003 server to forward onto the 2010 server if the mailbox did not reside on the 2003 server. How can I do this??

I hope this was clear enough. I'm just typing really fast to try not to waste anytime I have left to solve this. If you need clarification. Please just ask.

Thanks a million.

Question by:Alex_MPM
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LVL 25

Accepted Solution

RobMobility earned 2000 total points
ID: 36503530

ActiveSync uses many of the same components as OWA.

I'm not sure port-forwarding will work as you hope as ActiveSync on the clients will default to 443, unless there is a way to change the ActiveSync port in the client, you'll probably find that this will not work.

Can you change the other service that's using HTTPS to a different port and use 443 for ActiveSync?

By the way, have you looked at Good Mobile Messaging - you can use iOS4 (iPhone and iPad), Android, Symbian, Windows Mobile etc. with Exchange but not have the worries about ActiveSync and the issues you currently have?

It works like BES so there is sone cost associated with it but you can enable Intranet Access via a Secure Browser (like MDS-CS), distribute applications wirelessly and lock down the devices using security templates/policies amngst others.



LVL 25

Assisted Solution

RobMobility earned 2000 total points
ID: 36503553

I believe this email client enables you to specifcy a custom port for Exchange ActiveSync - try this instead:




Author Comment

ID: 36507692
I'm going to look into this and get back to you. For now I can't change the program which is using 443. But these other options look enticing so ill look at them and get back to you. But for the time being I'm going to focus on getting the mailboxes pushed over and then setup activesync or one of the other options setup by the end of the weekend. So ill leave this question open for now. But definately appreciate the input. Thanks.

Author Comment

ID: 36543966
Rob. Thanks for your answers. In the long run I could not find another way around it. I'm sure digging a little deeper would have found me a way to port forward, but in the end I decided to forward the SSL webpage through a different port and allow 443 to be used by activesync. Thanks for your input though, and I'll still award you the points for directing me to some apps which do have the ability to do this.



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