Outlook Cannot Connect To Proxy Server Error Code 0
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Outlook Is Unable To Connect To The Proxy Server Error Code 20
IMAP Clients Question 1 Sign in to vote Hello, I've been using my Outlook without any problems
Outlook Is Unable To Connect To The Proxy Server Error Code 18
until today. I cannot sue Outlook any more and I've got the following message: There is a problem with the proxy server's security certificate.The name of the security
There Is A Problem With The Proxy Server's Security Certificate Error Code 80000000
certificate is invalid or does not match the name of the target site outlook.office356.com. Outlook is unable to connect to the proxy server. (Error Code 0) I think that the issue is only in my PC as my online Outlook App is working fine. I'd appreciate any advice on how I can fix this. Thanks, Milena outlook is unable to connect to the proxy server error code 10 exchange 2013 Tuesday, August 13, 2013 3:32 PM Reply | Quote Answers 0 Sign in to vote Hi, Before trying Supawat’s suggestion, we can check whether your proxy name is in your certificate . Get your proxy name in the following path: file> account settings> select the user name and double click> more settings> connection> Exchange proxy settings please note that the proxy name should be same with the FQDN, showed in the same tab. Get names in your certificate by running: Get-Exchangecertificate And please note that your proxy name is same with your domain FQDN, which is also shown in the Exchange proxy settings tab. Hope it can help you. Thanks Marked as answer by Simon_WuMicrosoft contingent staff, Moderator Tuesday, August 27, 2013 5:24 PM Thursday, August 15, 2013 9:49 AM Reply | Quote All replies 0 Sign in to vote Hi , I copied from one question in social technet. (but i just keep in my words) try this and check the name of certifiacet mismatch
is unable to connect to the proxy server Error Code 8 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 outlook is unable to connect to the proxy server error code 8 windows 7 in to report inappropriate content. Sign in Statistics 6,296 views 0 Like this video? Sign outlook is unable to connect to the proxy server error code 0 exchange 2013 in to make your opinion count. Sign in 1 4 Don't like this video? Sign in to make your opinion count. Sign there is a problem with the proxy server's security certificate error code 10 exchange 2013 in 5 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 https://social.technet.microsoft.com/Forums/exchange/en-US/6860d4ee-fdc4-4929-ab5e-5b6bfd9fd7ec/problem-with-proxy-servers-security-certificate?forum=exchangesvrclients 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 8)---------------------------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 https://www.youtube.com/watch?v=toLT6hlkDUk 7,385 views 23:31 Solved - Outlook cannot logon verify you are connected to the network - Duration: 4:27. AvoidErrors 48,008 views 4:27 Microsoft Outlook is unable to connect to the proxy server Error Code 10 - Duration: 2:50. IT SUPPORT 2,199 views 2:50 Troubleshoot Outlook Configuration and Auto Discover - Duration: 38:34. EPC Group.net 14,625 views 38:34 Outlook Certificate Error - Duration: 3:32. RazoRSharp Networks 6,207 views 3:32 How To Fix "Proxy Server Connection Failed" - Duration: 3:27. Anthony Dovenbarger 82,658 views 3:27 How to fix "Unable to connect to the proxy server" error - Duration: 5:01. Mr. RemoveVirus 1,566,898 views 5:01 How to Fix "Can't Connect to Proxy Server" on Windows 10 - Duration: 11:18. Techddictive 46,368 views 11:18 Configure emails correctly to avoid security certificate errors - Duration: 2:37. Kyle Dearle 9,001 views 2:37 Fix The Connection to Microsoft Exchange is Unavailable - Duration: 2:50. AvoidErrors 95,864 views 2:50 How to Fix "Cannot start Microsoft Outlook" Error in Outlook - Duration: 3:21. Yan S. Huang 12,655 views 3:21 SSL Certificate Error Fix - Duration: 3:01. Ilya Novickij 409,368 views 3:01 Fix Outlook Error Code 0x800ccc90-How to fix Outlook Error Code 0x800ccc90 - Duration: 2:03. alican smalk 507 views 2:03 "There is a problem with this website's security certificate" 100% solve in XP, 7, 8, and 10 - Dura
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more http://serverfault.com/questions/17335/problem-with-the-proxy-servers-security-certificate-error-code-0 about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Problem with the proxy server's security certificate (Error code 0) up vote 0 down proxy server vote favorite 2 When using Outlook 2007 connecting to our Exchange server through the public URL, I get the following error: There is a problem with the proxy server's security certicate. The name on the security certificate is invalid or does not match the name of the target site mail.contosco.com. Outlook is unable to connect to the proxy server. (Error Code 0) (The message has our company URL instead of Contosco) We've set this up with self-signed cert the proxy server and the system works remotely for all of our remote computers except this one. This one is different in that it is the first Vista 64bit to be tested for deployment. It's Vista SP2 also. Our mail server is set up FQN of mail.contosco.local. I've made sure if I visit the website mail.contosco.com using a browser, that the certificate is considered trusted since I have installed the signing cert into cert list. If I turn off the "Only connect to proxy servers that have this principal name in their certificate:" which contains msstd: mail.contosco.com, then it works. I'm convinced all the other settings are the same as our other Vista Outlook 2007 machines which all work. Any ideas? exchange-2007 outlook outlook-2007 share|improve this question edited Jun 2 '09 at 0:41 asked Jun 1 '09 at 23:12 Knox 2,07721928 add a comment| 2 Answers 2 active oldest votes up vote 1 down vote accepted This error can arise when there's a mismatch between the common name of the certificate and the "only connect to proxy servers" setting. Check out this article for more information on troubleshooting. share|improve this answer answered Jun 2 '09 at 13:10 paulr 2,00599 add a comment| up vote 0 down vote I had the same issue when I tried to use Outlook 2010 using VPN. after trying many solutions I figured out the solution. Under Exchange proxy settings, chec