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Understanding ActiveSync for Exchange 2003 with Android phones?

First off, I've really appreciated everyone's assistance. I'm almost ready to swap the circuit used by OWA, but had one more question.


This is what I understand or think I understand to date: We have a dedicated IP used for OWA so no critical staff an check e-mail from their home PC or while away. From what I understand this only uses port 443 and 80 by default. We have a BES with another data circuit, but as i understand the BES communicates directly to RIM then RIM to the BlackBerries via the BES data circuit and not through Exchange OWA circuit. The BlackBerries never go in/out of the OWA circuit.

What I don't understand: We have a few Android phones using the native e-mail client to send/receive e-mail and calendar updates. To setup them up i pointed them to OWA then authenticated. If I delete e-mail or calendar entries on my phone they propagate to my Outlook Client on the PC.  How can I determine if the Android phones are using ActiveSysnc?

If I am using ActiveSync then I need to make sure all the posted listed at the link below are opened on my firewall. http://support.microsoft.com/kb/259369
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JohnGrunwellCommented:
if they are connected using the exchange account on the andriod phone they are using active sync with exchange, meaning what ever they do on the phone will effect the account, if they are setup usan IMAP or POP3 account for exchange on the andriod they are not using active sync
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Shreedhar EtteCommented:
- The article http://support.microsoft.com/kb/259369 points to Microsoft ActiveSync Application, Which is a sync software for Windows Mobile-powered devices.

- For Exchange ActiveSync port 443 and 80 are enough.
Refer this: http://www.microsoft.com/about/legal/en/us/IntellectualProperty/IPLicensing/Programs/ExchangeActiveSyncProtocol.aspx
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RadweldCommented:
ActiveSync uses secure HTTP so 443, it's the same 443 as OWA, but the virtual folder is different, usually /Microsoft-Exchange-Active-Sync instead of /EXchange (OWA for Exchange 2007 and later) If you go into the mail client on the phone, it should tell you which method is being used.  My HTC Android specifically lists Exchange ActiveSync as the connection method under manage acounts
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First LastAuthor Commented:
Please give me a few more days to award points and respond. I submitted the change request to our ISP last week. The change should be completed in the next 72 hours.
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First LastAuthor Commented:
Port 443 was enough. On my phone, all I had to do was enable SSL. Previously I was using port 80. I know I'm only using port 443, because this is the only port i'm forwarding on my router. I think you all for your patience.
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