Exchange 2013 : OWA failing after login with error "HTTPS 400"

Greetings,
I am in phase of Upgrading my existing Exchange 2007 Infra to Exchange 2013.
The environment is as mentioned below:
4 Mailbox Server (DAG)
4 CAS Servers (NLB)
Everything has been configured and working properly, except Only one CAS server is able to pass the login request
https://servername/owa
Rest of all the CAS servers are failing with error "HTTPS 400" while accessing OWA
https://localhost/owa
Its happening only while accessing OWA, ECP works fine.
Please let me know the fix to counter this strange issue.
Thanks in advance.
Regards

Hi,
Please check if IIS log is enabled on the CAS server, if not, please enable it.
Then check the detailed error code from IIS logs (Path: inetpub\logs\Logfiles\W3SVC1 ) , some code like 400.1, 400.2 ect.
Refer to this KB for more details
http://support.microsoft.com/kb/943891
After that, please post the OWA related login entry with error code shows 400.
Thanks for your time and patience.
Meanwhile, please check the OWA authentication method by command
Get-OWAVirtualDirectory –Server “Ex2013 CAS server” | fl *authentication*
We should set the authentication as the below:
Get-OWAvirtualdirectory -Server “Ex2013_CAS_server” | set-OWAvirtualdirectory -windowsAuthentication $False -BasicAuthentication $True -FormsAuthentication $True
Then perform iisreset and try to access OWA again.
Best Regards.

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Hi,
Thanks for your response.
From the error description, you need to manually remove the ECP with IIS manager in both the Default Web Site and the Exchange Back End firstly. And then continue the upgrade to check the result.
Hope this can be helpful to you.
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Hi,
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Or change the MSExchangeECPAppPool from .NET Framework from v4.0 to v2.0. Then restart IIS to have a try.
Regards,
Winnie Liang
TechNet Community Support

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[12/04/2012 23:30:28.0234] [0] **********************************************
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[12/04/2012 23:30:28.0234] [0] Operating system version: Microsoft Windows NT 6.1.7601 Service Pack 1.
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[12/04/2012 23:30:46.0171] [0] **********************************************
[12/05/2012 13:28:21.0046] [0] **********************************************
[12/05/2012 13:28:21.0062] [0] Starting Microsoft Exchange Server 2013 Setup
[12/05/2012 13:28:21.0062] [0] **********************************************
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[12/05/2012 13:28:21.0062] [0] Operating system version: Microsoft Windows NT 6.1.7601 Service Pack 1.
[12/05/2012 13:28:21.0062] [0] Setup version: 15.0.516.32.
[12/05/2012 13:28:21.0062] [0] Logged on user: HILLZ\Administrator.
[12/05/2012 13:28:21.0062] [0] The registry key, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExchangeServer\V15\Setup, wasn't found.
[12/05/2012 13:28:21.0093] [0] Command Line Parameter Name='prepareschema', Value=''.
[12/05/2012 13:28:21.0093] [0] Command Line Parameter Name='iacceptexchangeserverlicenseterms', Value=''.
[12/05/2012 13:28:21.0093] [0] Command Line Parameter Name='sourcedir', Value='Z:\'.
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[12/05/2012 13:28:21.0140] [0] The registry key, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange\v8.0, wasn't found.
[12/05/2012 13:28:21.0140] [0] The registry key, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExchangeServer\v14, wasn't found.
[12/05/2012 13:28:21.0156] [0] The registry key, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExchangeServer\V15\Setup, wasn't found.
[12/05/2012 13:28:21.0156] [0] Copying Files...
[12/05/2012 13:28:21.0156] [0] Starting copy from Z:\Setup\ServerRoles\Common to C:\Windows\Temp\ExchangeSetup.
[12/05/2012 13:29:06.0468] [0] Finished copy from Z:\Setup\ServerRoles\Common to C:\Windows\Temp\ExchangeSetup.
[12/05/2012 13:29:06.0468] [0] File copy complete. Setup will now collect additional information needed for installation.
[12/05/2012 13:29:06.0484] [0] Assembly dll file location is C:\Windows\Temp\ExchangeSetup\Microsoft.Exchange.Setup.Console.dll
[12/05/2012 13:29:06.0500] [0] [ERROR] The system cannot find the file specified. (Exception from HRESULT: 0x80070002)
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[12/05/2012 13:29:06.0515] [0] The registry key, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExchangeServer\V15\Setup, wasn't found.
[12/05/2012 13:29:06.0515] [0] End of Setup
[12/05/2012 13:29:06.0515] [0] **********************************************

Hi Troy12n,
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Global query block is causing a DNS server to fail a query with error code Name Error exists in the DNS database for WPAD on a Windows 2008 server.

The global query block list is a feature that prevents attacks on your network by blocking DNS queries for specific host names. This feature has caused the DNS server to fail a query with error code NAME ERROR for wpad.contoso.com. even though data
for this DNS name exisits in the DNS database. Other queries in all locally authoritative zones for other names that begin with labels in the block list will also fail, but no event will be logged when further queries are blocked until the DNS server
service on this computer is restarted.

ORA-39083: Object type TRIGGER failed to create with error:

i m getting these two error when i import data using impdp.
ORA-39083: Object type TRIGGER failed to create with error:
ORA-00942: table or view does not exist
i have exported (expdp) data from production db, when i importing (impdp) the dump file to the test db i m geting the above two errors.
example:
ORA-39083: Object type TRIGGER failed to create with error:
ORA-00942: table or view does not exist
Failing sql is:
CREATE TRIGGER "NEEDLE"."CC_BCK_TRG" BEFORE INSERT OR UPDATE
ON NIIL.cc_bck_mgmt REFERENCING NEW AS NEW OLD AS OLD FOR EACH ROW
DECLARE
w_date DATE;
w_user VARCHAR2(10);
BEGIN
SELECT USER,SYSDATE INTO w_user,w_date FROM DUAL;
IF INSERTING THEN
:NEW.cretuser :=w_user;
:NEW.cretdate :=w_date;
END IF;
IF UPDATING THEN
:NEW.modiuser :=w_user;
:NEW.modidate :=w_date;
END IF;
END;
status of the above trigger in pro db is valid. and source table also exist even though i m getting error when i import
please suggest me...

perhaps you don't have table... (impdp created trigger before create table)
check about "NIIL.cc_bck_mgmt" table.
and then create it (trigger) manual ;)
Good Luck.

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