Hi, I have just installed our new exchange server 2007 up and owa is working fine. I cannot connect via Outlook anywhere and in exchange server, even viewer as error is appearing as per the following : Even ID : 2003 "The RPC over HTTP Proxy component is not installed or is not configured correctly. Use the Windows Component Wizard to add the RPC over HTTP Proxy component to the Networking Services". Infact I have already installed RPC over HTTP component in server Please advise what will be the issue Jinesh Kumar

Hi,Just now I checked and compared with my old exchange 2007 trial installed and in exchange I cannot find this tab :HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\RPC\RPCPROXYRPCPROXY component is missing from registryPlease advise Jinesh Kumar

Hi Jinesh,Are you trying on CAS server? RPC over HTTP proxy component should be installed on CAS server. Follow below article for further detail.How to Enable Outlook Anywherehttp://technet.microsoft.com/en-us/library/bb123889.aspxAlso try by re-intallating RPC over HTTP proxy if it is already installed.Amit Tank | MVP - Exchange | MCITP:EMA MCSA:M | http://ExchangeShare.WordPress.com

Hi,I have reinstalled RPC again and also I cannot find in IIS/Default website any RPC components. But my old exchange server trial I can see all these thingsHow to fix this issue, I refer this documents and I have done it exactlyPlease advise Jinesh Kumar

Yes, I am installing on CAS serverJinesh Kumar

Sorry, I was doing wrong, I was using 32bit cd instead of 64 for installing rpc, now its fine. I can find RPC But still Iam not able to connect, I am publishing exchange 2007 through ISA server 2006Is there anything else I have to check Please adviseJinesh Kumar

Hi,StillI cannot connect outlook anywhere, is there any way I can troubleshoot this issueJinesh Kumar

Hi Jinesh,~ Please explain your Exchange environment in detail.~ Post errors if you are getting any in Event log.Request you to provide these details when you post any question, which may help us to identify problem and to give better answer.Additional readinghttp://support.microsoft.com/kb/555375~ Post errors if you are getting while connecting/configuring outlook profile.~ Have you applied third-party trusted SSL certificate? This is required for Outlook AnywhereCheck troubleshooting steps available in below article...Configuring Outlook Anywhere for Exchange 2007 SP1http://www.exchange-genie.com/2008/02/configuring-outlook-anywhere-for-exchange-2007-sp1/This will help you to publish OA with ISA.Outlook Anywhere 2007 with ISA Server 2006http://www.msexchange.org/tutorials/Outlook-Anywhere-2007-ISA-Server-2006.html~ It is also suggested to run ExBPA regularly to find unknown loop-holes when you are deploying Exchange servers because ExBPA has standard set of rules to scan your environment for certain known problems and mis-configuration.Thanks,Amit Tank | MVP - Exchange | MCITP:EMA MCSA:M | http://ExchangeShare.WordPress.com

Hi Amit,Now our OWA also not working, actually what I done is, I want to install best practice analyzer and when I tried to install this it asked me to install .net 1.1 and then I Installed .net 1.1 and installed best practice analyzerafter that owa is not working and I am getting a message when I login to owa as per the following :"Service unavailable"and exchange event viewer is creating the following error message.SAPI Filter 'C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\\aspnet_filter.dll' could not be loaded due to a configuration problem. The current configuration only supports loading images built for a AMD64 processor architecture. The data field contains the error number. To learn more about this issue, including how to troubleshooting this kind of processor architecture mismatch error, seealso, note that I have installed a valid SSL certificate in IIS, let me know any other details you wantAwaiting your replyJinesh Kumar

Hi,I got one article from Microsoft for this owa issuehttp://support.microsoft.com/default.aspx/kb/894435Please as per the above document, please clarify the following :1. Did I have to download .net framework 2.0 and 1.1 and install again2. Second step for asp.net for which version I have to doPlease clarify Jinesh Kumar

Jinesh,~ You didn't require to install ExBPA, it is already available in Exchange Management Console-> Tools.~ Exchange minimum requires .net 2.0 and defiantly it breaks when you install .net 1.1~ Yes, to fix it uninstall .net 1.1 and follow "ASP.NET 2.0, 64-bit version" procedure explained in article.~ Restart IIS service withiisreset /noforce command.Amit Tank | MVP - Exchange | MCITP:EMA MCSA:M | http://ExchangeShare.WordPress.com

Hi Amit,I done it and now OWA is working, still issue is with outlook anywhere. When I configure Outlook is giving a message "The connection to Microsoft exchange unavailable. Outlook must be online or connected to complete this action.In my ISA I have checked the rule and rule is perfect as I have done exactly same list my old ISA server which is already runningPlease adviseJinesh Kumar

Hi Jinesh,~ If all are set and no users are still on Exchange server, try to restart the Exchange and ISA (if possible) and check issue.~ Check by unticking "Use Cached Exchange Mode" while configuring outlook profile.~ Check the connectivity withhttps://www.testexchangeconnectivity.com/~ Can you please explain your Exchange environment? No of Exchange servers, location roles etc..., Exchange server OS version, DC/GC in your environment, Exchange on DC, DC OS version, client OS version, Outlook version and SP....~ Are you able to openhttps://mail.domain.com/rpcwithout certificate error?Amit Tank | MVP - Exchange | MCITP:EMA MCSA:M | http://ExchangeShare.WordPress.com

Hi Amit,thanks for your reply, I am trying it out one by one and will come back to you soon with resultsJinesh Kumar

Hi AmitStill no luck, I have tried all ways. As per your instructions, I have done the following : 1. I restarted both exchange and isa server 2006, same error 2. I have unchecked cache mode and tried to connect outlook and same error is populating 3. http://mydomainname/rpc - when I type this, I am getting same OWA window and when I type user name and pw , getting a you do not have required permissions to access this web site Is there anything else I can troubleshoot, please adviseJinesh Kumar

HiI have also triedhttps://www.testexchangeconnectivity.com/and not connecting with this tool also.But I have also tried this site with my existing working exchange, that also not connecting with this toolthis is for your infoJinesh Kumar

Hi,Did you apply for the certificate on the IIS?Please understand that the certificate is necessary for enabling Outlook Anywhere. If you already install the certificate on the IIS, you should access rpc by using https://mydomainname/rpc not http://please try it again.Additionally, please run get-outlookanywhere |fl command in EMS, then post the information on the forum. Next, run get-exchangecertificate |flI am looking forward to your reply.ThanksAllen

Have you looked at the traffic logging that ISA server gives you when you filter down the results to your ISA rule. Is traffic from the web being accepted and forwarded?

Hi,I have found the error in ISA server web listener and the authentication method was html forms based and when I changed the same to http, outanywhere started workingthanksfor all giving me this supportJinesh Kumar

Jinesh Kumar said: Hi, I have just installed our new exchange server 2007 up and owa is working fine. I cannot connect via Outlook anywhere and in exchange server, even viewer as error is appearing as per the following : Even ID : 2003 "The RPC over HTTP Proxy component is not installed or is not configured correctly. Use the Windows Component Wizard to add the RPC over HTTP Proxy component to the Networking Services". Infact I have already installed RPC over HTTP component in server Please advise what will be the issue Hi Jinesh,,,Do try following settings in Regedit: On the RPC proxy server, start Registry Editor (Regedit). In the console tree, locate the following registry key: HKEY_LOCAL_MACHINE\Software\Microsoft\Rpc\RpcProxy Create a DWORD value with the name AllowAnonymous. Right-click the AllowAnonymous DWORD value, and select Modify. In the Value data field, enter 1. Sunny Kewalramani

Hi Jinesh,,,Do try following settings in Regedit: On the RPC proxy server, start Registry Editor (Regedit). In the console tree, locate the following registry key: HKEY_LOCAL_MACHINE\Software\Microsoft\Rpc\RpcProxy Create a DWORD value with the name AllowAnonymous. Right-click the AllowAnonymous DWORD value, and select Modify. In the Value data field, enter 1. Restart the World Wide Web Publishing Service (W3SVC) in the services snap-in to Microsoft Management Console (MMC). Sunny Kewalramani Sunny Kewalramani

Hi,Presently my exchange is working with RPC when I changed the web listener to http authentication. If I do the registry changes settings as explained, did this cause any problem for our exchange serverAlso, once we changed the above settings, did my RPC will workas HTML forms authentication, so that users dont have to type servername and user name always atleast.Please advise Jinesh Kumar