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Isa Error 12156

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Diogenes [MSFT]November 10, 20081 Share 0 0 Have you ever received one of the errors below while browsing a web site? The page cannot be displayed There is a problem with the page you are trying to reach and it cannot be displayed. Technical Information (for support personnel) Error Code: 502 Proxy Error. The HTTP message includes an unsupported header or an https://support.microsoft.com/en-us/kb/935693 unsupported combination of headers. (12156) This could be caused due a response from a web server that begins with a space or tab character in the HTTP Header. If you have ISA Server 2006 SP1 the fix for that is already built in, however you still need tocreate the registry key described in KB935693. http://blogs.technet.com/b/yuridiogenes/archive/2008/11/11/502-proxy-error-on-isa-server-2006.aspx This KB has an example of the HTTP header that was captured using Netmon and how it looks like. Note: This KB was also reviewed for TMG MBE and also applies to it.

Tags ISA Administration TMG Comments (1) Cancel reply Name * Email * Website Anonymous says: October 19, 2016 at 1:54 pm Thanks so much! I had SP1 installed and checked the file versions but did not have the registry key defined. Reply Follow UsPopular TagsTMG ISA Administration Security Security Admin Performance IAG cloud Book Windows Networking private cloud BYOD ISA Networking teched cloud security Forefront EMS UAG Authentication Windows Contest Archives October 2016(1) September 2016(1) August 2016(2) July 2016(3) June 2016(2) May 2016(4) April 2016(3) March 2016(1) February 2016(1) January 2016(1) All of 2016(19) All of 2015(14) All of 2014(24) All of 2013(33) All of 2012(44) All of 2011(76) All of 2010(79) All of 2009(112) All of 2008(90) Privacy & Cookies Terms of Use Trademarks © 2016 Microsoft

for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help Create a Freelance Project Hire for https://www.experts-exchange.com/questions/22871858/ISA-server-2006-How-to-solve-error-unsupported-header.html a Full Time Job Ways to Get Help Expand Search Submit Close Search http://windowsitpro.com/windows/understanding-web-site-access-problem-under-isa-server-2004 Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Experts Exchange > Questions > ISA server 2006 - How to solve error "unsupported header"? Want to Advertise Here? Solved ISA server 2006 - How to solve error "unsupported header"? Posted on 2007-10-04 MS Forefront-ISA 1 isa error Verified Solution 2 Comments 2,854 Views Last Modified: 2011-10-03 ISA server 2006 - How to solve error "unsupported header"? I try without PROXY - proxy disabled on ISA and server has been restarted. When I go to to icq web site and try to run icq to go. And ISA server 2006 gives me an error: The HTTP message includes an unsupported header or an isa error 12156 unsupported combination of headers. The starnagest thing that it is "Web Proxy Filter" that gives this error. HELP ME !!!! All details: Original Client IP Client Agent Authenticated Client Service Server Name Referring Server Destination Host Name Transport MIME Type Object Source Source Proxy Destination Proxy Bidirectional Client Host Name Filter Information Network Interface Raw IP Header Raw Payload GMT Log Time Source Port Processing Time Bytes Sent Bytes Received Result Code HTTP Status Code Cache Information Error Information Log Record Type Authentication Server Log Time Destination IP Destination Port Protocol Action Rule Client IP Client Username Source Network Destination Network HTTP Method URL 0.0.0.0 Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506; InfoPath.2; .NET CLR 1.1.4322) Yes Proxy ISA http://download.icq.com/icq2go/flicq.swf 64.12.202.153 TCP Internet - - - Req ID: 0dacc6e9 - - - 10/2/2007 1:29:51 PM 0 1312 2299 841 12156 The HTTP message includes an unsupported header or an unsupported combination of headers. 0x21000000 0x80 Web Proxy Filter 10/2/2007 3:29:51 PM 64.12.202.153 80 http Failed Connection Attempt Servers out 10.4.6.1 domain\johny Internal External GET http://64.12.202.153/hello?locale=en&clver=8003&clid=Wicked%5FTester&trans=1015&event=1500&%5F%5FiClient=%5Bobject%20Object%5D 0 Question by:Jonathan-Ravzin Facebook Twitt

WindowsWindows 10 Windows Server 2012 Windows Server 2008 Windows Server 2003 Windows 8 Windows 7 Windows Vista Windows XP Exchange ServerExchange Server 2013 Exchange Server 2010 Exchange Server 2007 Exchange Server 2003 Outlook Unified Communications/Lync SharePoint Virtualization Cloud Systems ManagementSystem Center PowerShell & Scripting Active Directory & Group Policy Mobile Networking Storage TrainingOnline Training IT/Dev Connections Webcasts VIP Library Digital Magazine Archives InfoCentersIT Innovators Mobile Computing Business Now Desktop VDI All About Converged Architecture Advertisement Home > Windows > Understanding a Web Site Access Problem under ISA Server 2004 Understanding a Web Site Access Problem under ISA Server 2004 Nov 27, 2006 John Savill | Windows IT Pro EMAIL Tweet Comments 0 Advertisement I use Microsoft ISA Server 2004, and users inside my network receive errors when accessing certain Web sites. However, they can access these sites from their home machines. How can I solve this problem? This is a known issue with ISA Server 2004 Service Pack 2 (SP2) that relates to unsupported headers from certain Web sites. Users experiencing this problem will see a "The page cannot be displayed" message and in the "Technical Information (for support personnel)" section will see the following text: "Error Code: 500 Internal Server Error. The HTTP request includes a non-supported header. Contact your ISA Server administrator (12156)." Microsoft has released a fix that should solve the problem for your users. You can find more information about the problem and download the fix at http://www.microsoft.com/downloads/details.aspx?FamilyID=EBC32D50-2E9F-4D55-AEFFEEBA511827B0&displaylang=en. Print reprints Favorite EMAIL Tweet Please Log In or Register to post comments. Advertisement Related ArticlesUnderstanding a Web Site Access Problem under ISA Server 2004 Authenticate Internet Access with ISA Server Authenticate Internet Access with ISA Server Flaw in ISA Server Error Pages Could Allow Cross-Site Scripting Flaw in ISA Server Error Pages Could Allow Cross-Site Scripting Upcoming Training Oct 19 @ 2pm ET:Active Directory Migr

 

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Isa Error p HomeProductsLibraryLearnDownloadsSupportForums Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My Forums Answered by Proxy Server Loop Event ID Forefront Forefront Management Consoles Question relatedl Sign in to vote Hello I have ISA Enterprise array member servers one a hardware server and two virtual boxes both are on Windows R and ISA SP All are configured the same way and are fully patched One member is getting event ID Proxy Server Loop I can't find anything recent on this or anything helpful in resolving the issue If I reboot the

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Isa Error p All I recently began having a problem with my SBS Server I believe it started occurring after we installed the WSUS Here's the problem Every relatedl - days we cannot access our companyweb page Also my remote users cannot log in I have to either reboot the Server or I can rerun the CEICW stop ISA Firewall Service Stop ISA Web Proxy Service then stop start the W svc start the Firewall Service and start the Web Proxy Service Although this works - it only lasts for a little while Does anyone have any idea what could

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Isa Error x a p HomeProductsLibraryLearnDownloadsSupportForums Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My Forums Answered by cannot join server relatedl to array error x a Forefront Read Only - Forefront Edge Security - Installation Upgrade and Setup Question Sign in to vote I have two servers with TMG installed as workgroup scenario I have followed the steps in http technet microsoft com en-us library dd aspx newmanager Server is the desigated array manager and server will join teh array When trying to join server to teh array i get the

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Isa Error Code p Address Book Member List Search FAQ Ticket List Log relatedl Out Problem resolved The ISA Server and http status and anonymous and https Users viewing this topic none Logged in as Guest Tree Style Printable Version All Forums ISA Server General General Problem resolved The ISA Server and http status and anonymous and https Page Login Message Older Topic Newer Topic Problem resolved The ISA Server and http stat - Jun AM mkwento Posts Joined Jun Status offline First hello everybody and sorry for my english I'm spanish My problem was User cannot connect to https

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Isa Error p Address Book Member List Search FAQ Ticket List Log Out Error and Users viewing this topic relatedl none Logged in as Guest Tree Style Printable Version All Forums ISA Firewall General Error and Page Login Message Older Topic Newer Topic Error and - Feb PM carlos bracho Posts Joined Feb Status offline Hello people I hope your doing well I have doing a lot of research regarding error and on the internet I got these errors twice a day and the internal netwrok cannot access external I fix the problem restarting the machine but the users are

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Isa Error p Address Book Member List Search FAQ Ticket List Log relatedl Out ISA Server is configured to block HTTP requests that require authentication Users viewing this topic none Logged in as Guest Tree Style Printable Version All Forums ISA Publishing Web Publishing ISA Server is configured to block HTTP requests that require authentication Page Login Message Older Topic Newer Topic ISA Server is configured to block HTTP requests that re - Oct PM chrepair Posts Joined Oct Status offline Hello I have been trying to get my ISA server running on Server R w AD to authenticate users

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Isa Error Timeout p Address Book Member List Search FAQ Ticket List Log Out Gateway timeout Users relatedl viewing this topic none Logged in as Guest Tree Style Printable Version All Forums Threat Management Gateway TMG General Gateway timeout Page Login Message Older Topic Newer Topic Gateway timeout - Feb PM poiuy Posts Joined Oct Status offline Setup is as follows Windows Server R running under Hyper-V TMG running version Clients are having problems with Gateway timeout when accessing certain sites Issue is occuring whether they are running the Web Proxy Client or through a Firewall Rule without the Client

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Isa Error Proxy Chain Loop p HomeInternet Explorer Internet Explorer Internet Explorer Previous relatedl VersionsLibraryForums Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My Forums Answered by Error Code Proxy Chain Loop Forefront Forefront TMG and ISA Server Question Sign in to vote i have received an error code proxy chain loop when i am trying to connect my wifi router through WAN port how to resolve it electrifying Monday January AM Reply Quote Answers Sign in to vote Hi may be a wrong DNS Server configuration on your TMG Server http

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Isa Error p HomeProductsLibraryLearnDownloadsSupportForums Ask a question Quick access Forums home Browse forums users FAQ Search related threads relatedl Remove From My Forums Answered by Error Code Proxy Error ISA Server is not configured to allow SSL requests from this port Forefront Read Only - Forefront Edge Security - Internet Access Question Sign in to vote I currently have ISA Server Standard and I am only using as a web proxy on my network When I am trying to access a website that is using a non-standard SSL Port ISA is blocking the page due to the port not being

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Isa Error p HomeLearnDownloadsCommunity Ask a question Quick access Forums relatedl home Browse forums users FAQ Search related threads Remove From My Forums Answered by An existing connection was forcibly closed by the remote host error on ISA Server Windows Server Windows Server Application Compatibility and Certification Question Sign in to vote I am having an error connecting a Facebook site with an e-Card within the site When a user connects to the site the following error comes up Log type Web Proxy Forward Status An existing connection was forcibly closed by the remote host Rule Allow All Source Internal

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Isa Error The Gateway Could Not Retreive The Requested Page p HomeWindows Server Windows Server R Windows Server LibraryForums Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove relatedl From My Forums Answered by ISA Server blocked to access HP website Windows Server Security Question Sign in to vote Hye All Expert I'm having the problem when open HP website on several client I found the website has blocked by ISA Actually I wanted to install a printer driver only I wonder why HP website was blocked Description The problem only occurred to several

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Isa Error Code p HomeProductsLibraryLearnDownloadsSupportForums Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My Forums Answered by Error Code relatedl Forefront Read Only - Forefront Edge Security - Internet Access Question Sign in to vote Dear All I have the following problem when accessing some web pages through our ISA server Technical Information for support personnel Error Code Host not found Background This error indicates that the gateway could not find the IP address of the website you are trying to access possibly due to lack of information in the DNS server

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Isa Error p HomeProductsLibraryLearnDownloadsSupportForums Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My relatedl Forums Answered by An Internet Server API ISAPI filter has finished handling the request InfoPath Forms Services Forefront Forefront TMG and ISA Server Question Sign in to vote Background Forefront TMG on Server R SharePoint on Server R different box Client had a working setup on ISA box but they called me one morning after they found it laying dead in the rack Tried to find the backups but they appear to have left with the last guy

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Isa Error Page p will cover how you can go about creating and editing custom relatedl error messages specific to your organization from messages that are stored within ISA by default These error messages are displayed when errors occur I have found these messages to be very general and found them not to display comprehensive amounts of information I have looked into ways of making the information more comprehensive and customized to suit your organization To reduce helpdesk calls I have found this method to help enormously Telling the user what he she might be doing wrong by displaying a

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Isa Error p HomeProductsLibraryLearnDownloadsSupportForums Ask a question Quick access Forums home Browse forums users FAQ Search related threads Remove From My relatedl Forums Answered by Error Code Host not found isa server Forefront Forefront TMG and ISA Server Question Sign in to vote hi i configure my ISA server as a Webproxy but my client resive this error when they want to browse the web Error Code Host not found Background This error indicates that the gateway could not find an authoritative DNS server for the website you are trying to access Date PM GMT Server isa-server mau-mio ir Source

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Isa Error The Network Logon Failed p About Error Code Internal Server Error The network logon failed Posted on October Brian ReidPosted in certificates https iis ISA Server ISA Server SSL Windows Server This is an error visible relatedl in the web browser when connecting to a HTTPS web site behind an ISA Server The problem is that the firewall access rule for this web site in ISA Server is forwarding the requests to an internal server on a port that it is not listening on For example you connect to https server example com and the ISA Server forwards

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Isa Error p Address Book Member List Search FAQ Ticket List Log Out relatedl Problem resolved The ISA Server and http status and anonymous and https Users viewing this topic none Logged in as Guest Tree Style Printable Version All Forums ISA Server General General Problem resolved The ISA Server and http status and anonymous and https Page Login Message Older Topic Newer Topic Problem resolved The ISA Server and http stat - Jun AM mkwento Posts Joined Jun Status offline First hello everybody and sorry for my english I'm spanish My problem was User cannot connect to https pages

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Isa Error Code Host Not Found p Address Book Member List Search FAQ Ticket List Log Out error code Users viewing this topic none Logged in as Guest relatedl Tree Style Printable Version All Forums ISA Web Proxy General error code Page Login Message Older Topic Newer Topic error code - Aug AM tostes Posts Joined Aug Status offline Good afternoon staff I have a problem in navigation via proxy users is the following to configure the User Authentication to Integrated Mode without forcing authentication allowing anonymous the browser returns me the following error Technical Information for support personnel Error