Question : How to sync iphone 3.1.3 with exchange server 2003

I am trying to sync an iPhone to exchange 2003 which I have done before for a different client but it will not work at all for this client.

https://email.servername.ca/microsoft-server-activesync shows 501 not implemented error which should show if its working.

All that happens on sync is "exchange account verification failed"

activesync is setup and users have the feature enabled.

Answer : How to sync iphone 3.1.3 with exchange server 2003

Please have a read through my Exchange 2003 / Activesync article, check the pre-requisites, check your IIS settings, run the tests, fix any errors and come back if you get stuck anywhere:

http://www.experts-exchange.com/articles/Software/Server_Software/Email_Servers/Exchange/Exchange-2003-Activesync-Connection-Problems-FAQ.html