Comments on: Rolling Your Own Exchange ActiveSync Client

By: Andreas

Andreas — Mon, 07 May 2012 15:23:28 +0000

You’re right – I get that too if I download it and run it
It’s my fault for not remembering to include the WBXML.dll file that I use in my app.
I’ve uploaded a zip-file containing both the executable and the dll and as long as the two files are in the same directory things should work.
The download link is changed to reflect this so just re-download and have a new go at it.

By: Zikke

Zikke — Mon, 07 May 2012 11:22:00 +0000

hi,

i got an error launching the ‘Full Sync Test’:

System.IO.FileNotFoundException: Die Datei oder Assembly “WBXML not found .. and so on.
where i find the missing WBXML?

By: Andreas

Andreas — Thu, 09 Feb 2012 10:51:27 +0000

I have never played around with this myself, so I can’t say what the challenges related to this would be.
I assume you’ve been throuh the docs for the “ResolveRecipients” command?
http://msdn.microsoft.com/en-us/library/ee160521(v=exchg.80).aspx
Is it failing when trying to perform the search against the server, or is the error indicative of a bug somewhere else?

By: Panagiotis

Panagiotis — Wed, 08 Feb 2012 08:06:17 +0000

thanks for the reply. The problem I try to solve is related to S/MIME and fetching user certificates from the GAL.

By: Andreas

Andreas — Tue, 07 Feb 2012 18:50:55 +0000

I haven’t implemented GAL search in my code, but what is the the specific problem you’re seeing?
Most of my source code is available in the EAS Building Blocks series:
http://mobilitydojo.net/2011/08/10/exchange-activesync-building-blocks-intro/

By: Panagiotis

Panagiotis — Tue, 07 Feb 2012 16:31:37 +0000

Hi Andreas,
I am trying to debug searching the GAL through Activesync. Source code would be much helpfull.

By: Andreas

Andreas — Wed, 11 Jan 2012 19:05:03 +0000

Exchange likes clean servers best when installing
It’s difficult to say what happened, but it sounds like the virtual directories are messed up in some way.
I’d try rebuilding the ActiveSync virtual directory: http://my.opera.com/RavenOverride/blog/2009/06/17/how-to-recreate-all-virtual-directories-for-exchange-2007

By: Tom Sheckells

Tom Sheckells — Tue, 10 Jan 2012 14:44:16 +0000

Yes, it is just a Windows 2008 Enterprise Edition with RRAS configured as an SSTP VPN. I installed Exchange via the SP3 installer because that is the one that supports Win2008. So far, OWA and Outlook Anywhere (both over SSL) work. I think it is a settings/security problem since I had to make some security setting changes to get OWA to work. Unfortunately, I was dumb/hurrying and didn’t write down the changes (and I was being so good about that too). As I got it working, some MS updates came in and without thinking I rebooted my machine and lost the web page that had the updates I did for OWA and, obviously, I’m not remembering correctly what I did.

When I try https://localhost/Microsoft-Server-ActiveSync, I get “Bad Request” as the only response (well after I sign in) in Google Chrome and “This page not found” in IE, but the tab says “HTTP 400 Bad Request”.

The fix for OWA said something about that installing Exchange over an existing (not freshly installed) IIS 7 will not change some of the necessary settings to allow Exchange to work properly. Since I can’t find the article again, I don’t know what changes I need to make in IIS and/or the file system to let this work.

Do you have any other ideas?

Thanks for all of your help (and time) so far.

Tom

By: Andreas

Andreas — Sat, 07 Jan 2012 18:10:54 +0000

Yeah, HTTP 400 is a generic error so it could be a lot of reasons behind it.

The SSTP box is just a plain Windows Server with RRAS? And you installed the CAS role without any errors through the Exchange Setup Wizard afterwards?

While I haven’t atttempted it I could see it being problematic to get SSTP and “plain” HTTPS running on the same IP address. Does it work if you disable SSL for OWA/EAS and run it over HTTP? And similar – does OWA/EAS work with SSL if you disable RRAS? And are you seeing HTTP 400 if you attempt opening up https://localhost/Microsoft-Server-ActiveSync in the browser on the server?

By: Tom Sheckells

Tom Sheckells — Fri, 06 Jan 2012 20:24:22 +0000

Andreas,
I get the 400 running the full test and also with the Basic and Extended on your web site. I think that I have something wrong in my configuration but I just don’t know where to look to make a change. It is a very generic error. My situation is that I had one machine with SSTP running for VPN access to my systems and an exchange server on another system. When I got a smartphone (Samsung Droid Charge), I started trying to get OWA and Activesync working on the same IP as the SSTP. First I tried the WebFarm and Application Request Routing (ARR) but could not get them to work. So, I moved the CAS role from the existing Exchange box to the same box as SSTP. From my searching I found out that my problem was that I had existing websites on the SSTP machine and just adding CAS did not make all of the appropriate changes to get OWA and ActiveSync working. I’ve since gotten OWA working but am still having trouble with ActiveSync. I really appreciate any help or direction you can give. Send me an email and I can send you the test credentials if you think that would help.