Dreaded Exchange ActiveSync returned an HTTP 500 response

Clients SBS 2003 server was syncing with phones fine.
Client got new software that allows access via IIS. (May or may not have bearing)
Had ISP change forward port 80 to server for the IIS access. (ISP manages Cisco firewall for client)(May or may not have bearing)
There was an issue with one of the pages for the new software, client dealt with company directly to resolve that issue.
Client calls several days later to say no smartphones are receiving email.
I have gone through all the settings in IIS (REF:AlanHardisty)
I have removed all the VD's from IIS and recreated. (twice)
I have attempted to remove IIS and Form Based
I still receive the HTTP 500 response error on testexchangeconnectivity.com
Any help would be greatly appreciated!!!
HaulnSSAsked:
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Alan HardistyConnect With a Mentor Co-OwnerCommented:
Okay - so port 80 is now being grabbed by the new website and that means that Activesync won't be able to send internal queries to the default website.

Can you stop the new website and then test Activesync again please.
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Alan HardistyCo-OwnerCommented:
Okay - what changed?  Is port 443 pointing to the Default website through the firewall?

The 500 errors are nasty and can be a pain to get rid of, but not impossible.

DNS issues can also cause the HTTP 500 errors and could take a while to resolve with Q&A.

Alan
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HaulnSSAuthor Commented:
Just to add, I have run SBS best practices and Exchange.

Here is one thing I omitted, not thinking it would make a difference, but let me throw it out there.
Being a little click happy, I changed asp.net, under the Default Web Site to 2.0.  Realized my mistake and changed it back.

DNS Event Viewer shows no complaints, realize that doesn't mean it's perfect.  

The client doesn't believe this problem started with the setup of their software, they believe it happened earlier the same day.  I logically believe it has to be related to something I did, setting up their new software portal.
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HaulnSSAuthor Commented:
FYI:  OWA is working fine.
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Alan HardistyCo-OwnerCommented:
I have seen Activesync work happily with ASP.NET 2.0, but the SBS BPA will complain and suggest it is set back to 1.1.

OWA usually works happily - even though Activesync doesn't!

Can you outline what you did when setting up the software portal please.

Thanks

Alan
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HaulnSSAuthor Commented:
I will get the directions I went by again for the portal.

Don't know if this means anything, but testexchangeconnectivity keeps timing out for me this morning, so I went to my phone to trying setting up a mailbox.

Android: If I setup all the correct information, I get Server responded with error, check your username and password then try again.  If I purposely type something wrong (username or password) it comes back right away and says username or password incorrect.  So, at least it seems that it is actually talking with the server.
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HaulnSSAuthor Commented:
Here are the instructions I followed.
2003-Wintac-web-portal-instructi.pdf
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Alan HardistyCo-OwnerCommented:
Okay - did you follow these instructions exactly (especially step 3)?:

Follow the instructions below from the Server before installing the Wintac Web Portal.
1. Click Start, All Programs, Administration Tools, Manage Your Server.
2. Click Add a Role, then click Next.
3. Select Application Server (IIS, ASP.NET).  Click Next.
4. Select FrontPage Server Extensions and Enable Asp.net.   Click Next.
5. Follow the on screen instructions.  Click Next.
6. Insert Windows Server 2003 CD if prompted.
7. Restart server if prompted
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HaulnSSAuthor Commented:
Well, not exactly since it is 2003.

But IIS and FrontPage Server Extensions were already active.
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Alan HardistyCo-OwnerCommented:
Okay - so you didn't really touch them then?
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HaulnSSAuthor Commented:
Correct
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Alan HardistyCo-OwnerCommented:
Right - if you browse internally to port 80 on your server via IE e.g. http://servername

What do you see?  The new website?
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HaulnSSAuthor Commented:
The website declined to show this webpage
Most likely causes: This website requires you to log in


http://servername/alogin.aspx

Gives me login for admin for portal
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HaulnSSAuthor Commented:
FYI:  http://servername/default.htm - no longer opens SBS page

http://localhost/default.htm still shows SBS page
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HaulnSSAuthor Commented:
I remember while configure the portal for new software, I did get this error once.

Event ID: 1062
It is not possible to run two different versions of ASP.NET in the same IIS process. Please use the IIS Administration Tool to reconfigure your server to run the application in a separate process.
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HaulnSSAuthor Commented:
Holy poop, that fixed testexchangeconnectivity.com.....  I hate it when it is something simple I completely missed....

How do I have both running?

Testing phone right now.
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HaulnSSAuthor Commented:
Phones work!!!!
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Alan HardistyCo-OwnerCommented:
Okay - so you may need to add a host header to the other website and then test to see if you can have both running, or force the new site onto port 81 or another number that makes you feel warm and cosy ;)

Alan
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HaulnSSAuthor Commented:
Host Header?  Like in DNS?

I feel incredibly stoopid that I never disabled the new portal and tried it....ugh.....
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HaulnSSAuthor Commented:
Nevermind on host header, found info on it.

Thank you!!!!!!
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Alan HardistyCo-OwnerCommented:
Don't beat yourself up - sometimes when you are deep in a pile of proverbial it can be hard to take a step back and see the wood from the trees.

You are welcome - does that help the two sit alongside each other happily?
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HaulnSSAuthor Commented:
Yes, the header is working!

I would give you a million points, if I could!
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HaulnSSAuthor Commented:
Obviously very knowledgeable with IIS, Very much appreciated!
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Alan HardistyCo-OwnerCommented:
"I would give you a million points, if I could!"

No need - i'm happy with the ones I got, but appreciate the thought.

Glad all is working happily and happy to be able to help.

Let's hope it stays working.

Best wishes

Alan
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