This was working fine until Monday, when I had another problem and had to do a repair on the server. Anyway, OWA quit working (440 Login failed problem), but ActiveSync still worked. So, I reset a bunch of settings in IIS, and got OWA working, but now ActiveSync does not work. I've tried the solution presented here:
In fact, I had already implemented it before, but this time it did not fix the problem.
Server 2003 SP2
ExRCA is testing Exchange ActiveSync.
The Exchange ActiveSync test failed.
Attempting to resolve the host name mail.pridedallas.com in DNS.
Host successfully resolved
IP(s) returned: 22.214.171.124
Testing TCP Port 443 on host mail.pridedallas.com to ensure it is listening and open.
The port was opened successfully.
ExRCA is testing the SSL certificate to make sure it's valid.
The certificate passed all validation requirements.
The certificate name is being validated.
Successfully validated the certificate name
Found hostname mail.pridedallas.com in Certificate Subject Common name
Validating certificate trust for Windows Mobile Devices
The test passed with some warnings encountered. Please expand the additional details.
Certificate is only trusted on Windows Mobile 6.0 and later. Windows Mobile 5.0 and 5.0 + MSFP devices will not be able to sync. Root = OU=Go Daddy Class 2 Certification Authority, O="The Go Daddy Group, Inc.", C=US
The certificate date is being confirmed to ensure the certificate is valid.
Date validation passed. The certificate hasn't expired.
Certificate is valid: NotBefore = 4/27/2010 8:29:23 PM, NotAfter = 5/2/2012 11:21:26 PM"
The IIS configuration is being checked for client certificate authentication.
Client certificate authentication wasn't detected.
Accept/Require Client Certificates not configured.
Testing Http Authentication Methods for URL https://mail.pridedallas.com/Microsoft-Server-Activesync/
The HTTP authentication methods are correct.
Found all expected authentication methods and no disallowed methods. Methods Found: Basic
An ActiveSync session is being attempted with the server.
Errors were encountered while testing the ActiveSync session
ExRCA is attempting to send the OPTIONS command to the server.
OPTIONS response was successfully received and is valid
Headers received: Pragma: no-cache
Public: OPTIONS, POST
Allow: OPTIONS, POST
Date: Fri, 27 Aug 2010 17:22:27 GMT
ExRCA is attempting the FolderSync command on the Exchange ActiveSync session.
The test of the FolderSync command failed.
An HTTP 403 forbidden response was received. The response appears to have come from Unknown. Body is: <body><h2>HTTP/1.1 403 Forbidden</h2></body>