Proxy Server Security Certificate Error 20
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There Is A Problem With The Proxy Server's Security Certificate Error Code 8
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Outlook Is Unable To Connect To The Proxy Server Error Code 80000000
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Outlook Is Unable To Connect To The Proxy Server Error Code 10 Exchange 2013
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There Is A Problem With The Proxy Server's Security Certificate Error Code 80000000
2003 and Exchange 2007 - General Discussion Question 0 Sign in to vote Hello something there is a problem with the proxy server's security certificate error code 10 exchange 2013 strange today in my network.. my users are getting this error when open outllook: impossible connect to proxy server mail.myserver.com (error code 20) do I need https://support.microsoft.com/en-us/kb/923575 to regenerate my certificate on exchange 2003? Ho ca i do it? thanks Monday, March 25, 2013 9:14 AM Reply | Quote Answers 1 Sign in to vote Hi , Please perform connectivity test https://www.testexchangeconnectivity.com/ The please go through the below KB article for certificate issues http://support.microsoft.com/kb/923575 For creating a self signed certificate https://social.technet.microsoft.com/Forums/exchange/en-US/00a720e8-2edc-4363-ad3e-72bc3c8e3b06/certificate-issue-outlook-error-code-20?forum=exchangesvrgenerallegacy using SelfSSL utility from Microsoft please go through below article http://www.howtogeek.com/107415/it-how-to-create-a-self-signed-security-ssl-certificate-and-deploy-it-to-client-machines/ To download SelfSSL utility download iis6 resource kit from below Microsoft link http://www.microsoft.com/en-in/download/details.aspx?id=17275Regards, Prakash Nimmala Skype : Prakash.Nimmala Email ID : prakash.nimmala@hotmail.com Whenever you see a helpful reply, click on Vote As Helpful & click on Mark As Answer if a post answers your question. Proposed as answer by wendy_liuMicrosoft contingent staff, Moderator Wednesday, April 03, 2013 1:57 AM Marked as answer by wendy_liuMicrosoft contingent staff, Moderator Wednesday, April 03, 2013 5:02 AM Tuesday, March 26, 2013 5:47 PM Reply | Quote 0 Sign in to vote Hi , Does the certificate includes SAN(Subject Alternative Name) for autodiscover and exchange external url ? Please also check if the root certificate is imported to client if you use a private CA issues the certificate. Outlook gives an error for Proxy Server Certificate: http://social.technet.microsoft.com/Forums/en-US/exchangesvrclients/thread/980846f8-e616-4150-9f6a-eaa85f06a76d Wendy Liu TechNet Community Support
Proposed as answer by wendy_liuMicrosoft contia Question Ask 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 a Full Time Job Ways to Get Help Expand https://www.experts-exchange.com/questions/25482089/Outlook-unable-to-connect-to-proxy-server-error-code-20.html Search Submit Close Search Login Join Today Products BackProducts Gigs Live Courses Vendor Services Groups https://www.youtube.com/watch?v=r8tM_bj5fbA Careers Store Headlines Website Testing Experts Exchange > Questions > Outlook unable to connect to proxy server (error code 20) Want to Advertise Here? Solved Outlook unable to connect to proxy server (error code 20) Posted on 2010-03-23 MS Server OS Outlook Exchange 1 Verified Solution 8 Comments 12,065 Views Last Modified: 2013-12-05 This error has been poping up proxy server on all my computers that are using a ssl certificate created for our business for user to connect to our exchange server via https:// connection. Cannot find anything online to help me with this. Any help would be greatly appreciated. 0 Question by:xXWickedXx Facebook Twitter LinkedIn Google Best Solution byxXWickedXx I figured it out. It was an invalid SSL cert. Anyways thnx for all the help and suggestions. Great website.... Go to Solution 7 the proxy server Comments LVL 13 Overall: Level 13 MS Server OS 3 Exchange 3 Outlook 1 Message Expert Comment by:jaynir2010-03-24 If your exchange server is running on service pack 1, you may need to install service pack 2. 0 Message Author Comment by:xXWickedXx2010-03-31 Ok i tried to update service pack and still produces an error 20 just after you login into outlook. Did updates on server and on laptop with no noticeable results. 2 weeks ago it was fine and now i have an error 20. since i did not create the SSL certificate i have no idea what to do next? 0 LVL 13 Overall: Level 13 MS Server OS 3 Exchange 3 Outlook 1 Message Expert Comment by:jaynir2010-03-31 check this link and see if that helps http://support.microsoft.com/kb/923575 0 Message Author Comment by:xXWickedXx2010-04-08 The info is resourceful, however i do not understand what i am to do. Because i never dealt with ssl's other then installing them. Would it be easier for me to create a new certficate or update the old. This issue is causing huge problems for me. When i look at the CERT it says it is set to expire in 2013. So i have no clue how to trouble shoot this issue. 0 Message Accepted Solution by:xXWickedXx2010-04-15 I figured it out.
is unable to connect to the proxy server Error Code 10 IT SUPPORT SubscribeSubscribedUnsubscribe99 Loading... Loading... Working... Add to Want to watch this again later? Sign in to add this video to a playlist. Sign in Share More Report Need to report the video? Sign in to report inappropriate content. Sign in Statistics 2,830 views 1 Like this video? Sign in to make your opinion count. Sign in 2 0 Don't like this video? Sign in to make your opinion count. Sign in 1 Loading... Loading... Loading... Rating is available when the video has been rented. This feature is not available right now. Please try again later. Published on Mar 22, 2016---------------------------Microsoft Outlook---------------------------There is a problem with the proxy server's security certificate.The name on the security certificate is invalid or does not match the name of the target site.Outlook is unable to connect to the proxy server. (Error Code 10)---------------------------OK --------------------------- Category People & Blogs License Standard YouTube License Show more Show less Loading... Advertisement Autoplay When autoplay is enabled, a suggested video will automatically play next. Up next How to fix certificate errors in Exchange 2010 2013 - Duration: 23:31. Robert McMillen 7,385 views 23:31 Outlook Certificate Error - Duration: 3:32. RazoRSharp Networks 6,612 views 3:32 Microsoft Outlook is unable to connect to the proxy server Error Code 8 - Duration: 2:50. IT SUPPORT 6,178 views 2:50 Outlook - Client-side Troubleshooting Tools - Duration: 25:45. Microsoft Partner Support 39,721 views 25:45 139 videos Play all Teh Lurd of Teh ReingsTeh Lurd Of Teh Reings Configure emails correctly to avoid security certificate errors - Duration: 2:37. Kyle Dearle 9,001 views 2:37 How to Fix "Can't Connect to Proxy Server" on Windows 10 - Duration: 11:18. Techddictive 46,416 views 11:18 10-Configuring Outlook 2016 and Outlook 2013 for Exchange Server 2016 - Duration: 18:43. ITCents 6,581 views 18:43 Solved - Outlook cannot logon verify you are connected to the network - Duration: 4:27. AvoidErrors 48,438 views 4:27 "There is a problem with this website's security certificate"