RE: SOME Users cannot access OWA others do, error HTTP 500



Hello Customer,

Thank you for posting here.

According to your description, I understand that some account access OWA
get http 500 error in right pane. If I have misunderstood the problem,
please don't hesitate to let me know.

Based on my research, I suggest we try the following steps to see if we can
resolve this issue:

1. Please make sure that you've installed Hotfix 831464 on your Exchange
Server.

FIX: IIS 6.0 compression corruption causes access violations
http://support.microsoft.com/kb/831464

2. Then, please perform the following steps to clean caches on the servers
and all problematic clients. To delete the cached files on the client to
make sure that the corrupted files from the cache are not used.

To do so, follow these steps:

A. In Internet Explorer, click Internet Options on the Tools menu.
B. Click the General tab, and then click Delete Files.
C. Click OK.

Clear the cached, compressed copy of the affected files on the SBS server:

A. Clear the IIS server files: Go to your %windows%\IIS Temporary
Compressed Files directory *. Select all of the content in this directory
and delete it.
B. Go to a command prompt, type "iisreset".

To clear the ISA cache:

A. Stop the Web Proxy service.
B. Locate the Urlcache folder.
C. From the multiple files in this folder, locate the *.cdat file in this
folder.
D. Delete the *.cdat file.
E. Start the Web Proxy service.

Related Knowledge Base article:

How to Delete the Web Cache on Internet Security and Acceleration Server
http://support.microsoft.com/kb/301471

3. Then, please follow KB 280823 to troubleshoot the issue:

Troubleshooting OWA when the contents frame displays "Loading"
https://support.microsoft.com/kb/280823

4. Other possible causes and resolution:

URLScan may cause this issue:
Fine-tuning and known issues when you use the Urlscan utility in an
http://support.microsoft.com/kb/823175

This issue can also be caused by TrendMicro OfficeScan. To resolve this
issue, please uninstall OfficeScan and reinstall it with the help of the
TrendMicro support. For more information, see Solution 18148 in the Trend
Micro Knowledge Base at the following URL:
http://kb.trendmicro.com/solutions/solutionDetail.asp?solutionID=18148

As a workaround, you can remove the OfficeScan MIME Types value from the
Default Web Site and from the Exchange virtual directories. Use the
following steps to remove this MIME Types value:

a. Open Internet Information Service (IIS) Manager.
b. Expand the server and then expand the Web Sites folder.
c. Right-click the Default Web Site, and then click Properties.
d. Select the HTTP Headers tab.
e. Click MIME Types.
f. Select the ".* application/octect-stream" entry and click Remove.
g. Click Yes to confirm, and then click OK two times.
j. In the Inheritance Overrides dialog box, select Exadmin, Exchange,
exchange-oma, OMA, and Public (hold down the Ctrl key while clicking to
select multiple), and then click OK.
i. Right-click Default Web Site, and then click Stop.
j. Right-click Default Web Site, and then click Start.
k. Run the "iisreset" command.

If the problem persists after performing the steps above, please collect
some info for research:

1. Please try to log on the new account on the problematic machine, then
test this issue. Is it fine?

2. Please try to log on the problematic account on new account's machine,
then test this issue. Is it fine?

3. Please try to log on the new account and problematic account on server
and test this issue. Are they fine?

4. Collect the IIS metabase on Exchange Server and send to me:
v-terliu@xxxxxxxxxxxxx for further analysis:

1). On Exchange Server, install .NET Framework Version 1.1:
http://www.microsoft.com/downloads/details.aspx?FamilyID=262d25e3-f589-4842-
8157-034d1e7cf3a3&DisplayLang=en.
2). Install MBExplorer by installing IIS 6 Resource Kit Tools:
http://www.microsoft.com/downloads/details.aspx?FamilyId=56FC92EE-A71A-4C73-
B628-ADE629C89499&displaylang=en.
3). Once it is installed, access it from Start, Programs, IIS Resources,
Metabase Explorer.
4). In the left pane, right click ''LM'' (under your server computer name)
to choose ''Export to file'', and then save it as IIS.mbk.
5). Compress this mbk file and send it to me for analysis. Please let me
know the password if you set on this iis mbk file.

5. Please collect the IIS log on Exchange Server so that I can perform
further research:

1). On Exchange Server, open IIS MMC, right click Default Web Site and then
click Properties.
2). Click Website tab and then check Enable logging.
3). Stop the Default Website and RENAME the existing IIS log files under
C:\WINDOWS\system32\LogFiles\W3SVC1.
4). Restart the Default Website and reproduce the OWA Loading problem,
which will generate new IIS log file with the exact error.
5). Wait for a while so that IIS Log can be synced. And then go to the
following folder on Exchange Server: C:\WINDOWS\system32\LogFiles\W3SVC1.
6). Send me the log files to my working email address
v-leeli@xxxxxxxxxxxxxx And please let me know the alias of the user who
encountered the issue.

I hope the above info helps and I look forward to your update.

Thanks and have a nice day!

Best regards,

Terence Liu(MSFT)

Microsoft CSS Online Newsgroup Support

Get Secure! - www.microsoft.com/security

=====================================================
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=====================================================

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--------------------
| Thread-Topic: SOME Users cannot access OWA others do, error HTTP 500
| thread-index: Acc1CRm/jP4Y0jCYQo2dOIdA26nVQg==
| X-WBNR-Posting-Host: 201.196.137.70
| From: =?Utf-8?B?RWR1YXJkbyBNZW5h?= <remena@xxxxxxxxxxxx>
| Subject: SOME Users cannot access OWA others do, error HTTP 500
| Date: Wed, 10 Jan 2007 14:46:00 -0800
| Lines: 22
| Message-ID: <2B2149F6-969E-42AF-BEDD-D98ECF4DC020@xxxxxxxxxxxxx>
| MIME-Version: 1.0
| Content-Type: text/plain;
| charset="Utf-8"
| Content-Transfer-Encoding: 7bit
| X-Newsreader: Microsoft CDO for Windows 2000
| Content-Class: urn:content-classes:message
| Importance: normal
| Priority: normal
| X-MimeOLE: Produced By Microsoft MimeOLE V6.00.3790.2757
| Newsgroups: microsoft.public.windows.server.sbs
| Path: TK2MSFTNGHUB02.phx.gbl
| Xref: TK2MSFTNGHUB02.phx.gbl microsoft.public.windows.server.sbs:9446
| NNTP-Posting-Host: tk2msftsbfm01.phx.gbl 10.40.244.148
| X-Tomcat-NG: microsoft.public.windows.server.sbs
|
| Software:
| SBS2003 STD SP1 + EXCH_SP2
|
| Problems:
|
| When "SOME" users try to login to OWA locally or remotely, all they can
see
| is the
| left navigation bar with folders (Inbox, Sent, Deleted Items and so on),
but
| cannot see anything on the right where messages and all dialogs usually
| appear. Internal server error HTTP 500 occur
|
| Even the administrator account has the problem
|
| But, IIf I create a new account it does not have the problem. I can use
this
| new account to access de OWA perfectly!!!
|
| I have read "almost all" of the documents I have found in Internet as
well
| as in the Microsoft Support sites and have tried several suggestions with
NO
| results for now.
|
| --
| EdMena
|

.



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