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Microsoft, Exchnage Server 2003, SP2, Small Business Edition w/SP2, Unable to connect to the Microsoft(R) Exchange server <SERVER>. To fix this problem, verify that there is network connectivity

Posted on 2008-10-15
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Last Modified: 2012-05-05
I have a SMall BUsiness Server (with SP2) running Exchange. The server works perfectly we use webmail (/exchnage) all the time.
We decided to srtart using the mobile access and active-sync recently and have discovered an issue.
When you go to http://localhost/oma or http://server/oma (same with https) you get the following error:

Unable to connect to your mailbox on server Servername. Please try again later. If the problem persists contact your administrator

I have tried the following Microsoft fix: http://support.microsoft.com/Default.aspx?kbid=817379 which did nothing.

The server has 1 NIC, the default website is using 'all unassigned' as its IP, there are no host headers, the http://localhost/exchange owa site works perfectly (and is configured using SSL).
The only error I get in the Application log is:

Unable to connect to the Microsoft(R) Exchange server SERVER. To fix this problem, verify that there is network connectivity between this server and the Exchange server. Also, verify that the Exchange server that this server is attempting to connect to is functioning properly

I have tried logging in using domain\user user@domain and just user. I can confirm that FBA is turned off, there are no other servers in this network and the Best Practice Analyzer gives me no errors, as of today (15th October) we have all updates.
Also we thought it might be slight corruption, so we deleted the Exchange directories, used the Metabase explorer to remove an entry and restarted the Exchange Servcies and got all new directories, this didnt help, didnt make it any worse either, but....

I am at this point lost for ideas, so please, any help appreciated.

Shaine
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Question by:lyndos
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by:Exchange_Geek
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"When you go to http://localhost/oma or http://server/oma (same with https) you get the following error:"

How about you trying to connect using http://FQDN of Exchange server/oma ??

If OWA works fine from within - this means that the net connectivity works fine.
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by:lyndos
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Sorry, no. I tried the http(s)://server.domain.local and http(s)://192.168.212.1/oma http(s)://server/oma and I Get the same errors with all of them.
Internet and network connectivity is fine, we use owa all the time over https from outside.
I have checked that mobile services are enabled and we also checked the enable unsupported devices option.

Thank you.
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by:lyndos
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UPDATE:
I was looking at the server yesterday and through the event logs and nothing really seems out of place, but I checked all of the updates and ipconfiguration etc and thats all good, but I had more than 1 companyweb site (the others were disabled so onl;y 1 running). I removed the intranet componant and SQL for SHAREPOINT uninstalled the FP extensions and removed the exchange directories again.

Did a re-install of the intranet componants, and the exchange virtual directories, checked all of the permissions. Setup and ran sharepoint and that works perfectly.
The /exchange, /monitoring, /tsweb, /remote, /backup, /connectcomputer, /clienthelp etc all work perfectly.

I really dont understand what could be wrong as everything works fine apart from this. Any ideas welcome.

Shaine
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by:lyndos
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Don't know if this helps or not, but here it is anyway.

Attempting to Resolve the host name mail.server.co.uk in DNS.
 Host successfully Resolved
Additional Details
 IP(s) returned: 00.00.00.00

Testing TCP Port 443 on host mail.server.co.uk to ensure it is listening/open.
 The port was opened successfully.

Testing SSLCertificate for validity.
 The certificate passed all validation requirements.

Testing Http Authentication Methods for URL https://mail.server.co.uk/Microsoft-Server-Activesync/
 Http Authentication Methods are correct
Additional Details
 Found all expected authentication methods and no disallowed methods Methods Found: Basic realm="mail.server.co.uk"

Attempting an Activesync session with server
 Errors were encountered while testing the ActiveSync session
Test Steps
 Attempting to send OPTIONS command to server
 Testing the OPTIONS command failed. See Additional Details for more info
 Tell me more about this step

Additional Details
 Exception occured: Exception Details: Message: The remote server returned an error: (401) Unauthorized. Type: System.Net.WebException Stack Trace: at System.Net.HttpWebRequest.GetResponse() at Microsoft.Exchange.Tools.ExRca.Tests.ActiveSync.ActiveSyncOptionsTest.PerformTestReally()


Regards
Shaine
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lyndos earned 0 total points
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Ok, not sure how this works exactly, but re-installing the Administrative tools did the trick, I now have OWA, OMA and EAS, Sharepoint, Faxes and RWW again, perfect.

I had to spend nearly 4 hours trawling through posts on here and google this morning to find it, but its working now.

Thanks all
Shaine
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