Proxy Server Certificate Error Outlook 2010
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Products Neal (Exclaimer) Sales & Marketing Manager GROUP SPONSORED BY EXCLAIMER TECHNOLOGY IN THIS DISCUSSION Microsoft Exchange Server 2010 Join the Community! Creating your account only takes a few minutes. Join Now Good morning all, I was
There Is A Problem With The Proxy Server's Security Certificate Error Code 80000000
just notified by a user this morning (my boss) that she is unable to connect outlook is unable to connect to the proxy server error code 10 exchange 2013 to Outlook on our Terminal Server. She is the only user with this issue. She is using Outlook 2010 and uses this Terminal outlook is unable to connect to the proxy server error code 8 windows 7 Server very frequently. The error reads: There is a problem with the proxy servers's security certificate. The name on the security certificate is invalid or does not match the name of the target site [server.domain.com]. Outlook is unable http://answers.microsoft.com/en-us/msoffice/forum/msoffice_outlook-mso_windows8/there-is-a-problem-with-the-proxy-servers-security/66d9ceaf-640b-4f47-b9bc-ef4005c43f39 to connect to the proxy server. (Error Code 0). We don't use a proxy server, nor is there any certificate that I'm aware of. Exchange isn't my strong point, so I was hoping you guys could help point me in the right direction! In the meantime, guess I'll call my buddy Google. Thanks Reply Subscribe RELATED TOPICS: Outlook 2010 Proxy Server security certficate Proxy Server? Proxy server   4 Replies Jalapeno OP gfxrelay Jan https://community.spiceworks.com/topic/434416-problem-with-proxy-server-security-certificate-don-t-use-a-proxy-server 25, 2014 at 4:52 UTC Hi, what version of Exchange are you using? 0 Jalapeno OP Helpful Post gfxrelay Jan 25, 2014 at 5:01 UTC Ooh almost forgot about this issue. We had it a while ago. Outlook tries to connect to Exchange over https, but this normally happens if the name on the certificate does not match the name of the exchange server you are trying to connect to. We found that you either have to regenerate the the certificate that exchange uses and include all the required names or you have to change the settings in outlook to only connect over http. The last mentioned option is less secure, but a lot easier to do. 2 Serrano OP CFonseca Jan 27, 2014 at 3:14 UTC Thank you for the suggestion. The issue seems to have corrected itself for the time being and I'm not quite sure what happened, but I will give that a try if it happens again. Thanks again! 0 Pimiento OP Mohammed8790 Oct 19, 2014 at 9:22 UTC 1st Post I found this KB article from Microsoft on this issue, worth to look at. http://support.microsoft.com/kb/923575 0 This discussion has been inactive for over a year. You may get a better answer to your question by starting a new discussion. Text Quote Post |Replace Attachment Ad
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proxy server's security certificate. The name on the security certificate is invalid or does not match the name of the target site server.domain.com. Outlook is unable to connect to the proxy server (Error Code 10) The name on the security certificate is invalid or does not match the name of the site The cause of these errors is that Outlook is connecting using Outlook Anywhere although it is able to contact Exchange, it is using a name that is not on the certificate. To resolve the issue, there are two options. Either you need to create a new certificate request and add the name to the certificate (see here for instructions) or you need to configure Exchange not to autoconfigure Outlook with this name and specify a different name that is on the certificate. This autoconfiguration is known as autodiscover. More on that in another post. In this post, we'll look at how to configure Exchange Outlook Anywhere so that this issue no longer occurs. 1) Confirm current Outlook Anywhere hostnames We need to confirm that the Outlook Anywhere hostname includes the hostname in the error, in our case litex01.litwareinc.com. To do this run the below command: Get-OutlookAnywhere | fl ExternalHostname,InternalHostname 2) Create DNS records We need to choose a name that is included on the certificate that is used by the CAS servers and/or reverse proxies. In our case, we will use the same name, mail.litwareinc.com, in internal and external DNS as we are using split brain DNS. You can use different names as long as both are included on your certificate. Using a single name is simpler for troubleshooting and means that less names are required on the certificate which can reduce your costs in some cases. The internal A recordneeds to resolve to the internal IP of the CAS server or load balancer virtual IP if you are load balancing multiple CAS servers. The external A recordneeds to resolve to the public IP of the CAS server or load balancer virtual IP if you are load balancing multiple CAS servers. If you are using a reverse proxy then you need to configure the A record to resolve to the public IP of your reverse proxy. 3) Configure new Outlook Anywhere hostnames To configure Autodiscover Outlook Anywhere with the internal and external hostnames, run the command below on a single line: Get-OutlookAnywhere | Set-OutlookAnywhere -InternalHostname mail.litwareinc.com -InternalClientsRequireSsl $true -ExternalHostname mai