Outlook Ssl Error Message
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Outlook The Name On The Security Certificate Is Invalid
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Outlook.office365.com Certificate Error
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Outlook 2007 Certificate Error
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SystemsHome / Outlook / Security Certificate Warning in Microsoft Outlook Last reviewed on March 22, 2016 —8 Comments This hard to understand error means the security certificate your email server is using has expired or is invalid for other reasons. I'm getting a security warning http://www.slipstick.com/outlook/security-warnings-in-outlook/ when I open Outlook. It says: 'The server you connected to is using a security certificate http://serverfault.com/questions/658393/outlook-ssl-error-when-connecting-to-new-exchange-2013-installation that cannot be verified. A required certificate is not within its validity period when verifying against the current system clock or the timestamp in the file' That message is saying that the certificate the mail server uses has likely expired. If you are the administrator, you need to install an updated certificate; if you are an end-user, you need to speak certificate error to your admin. You can't hide the warning or turn it off, but in all likelihood, it's safe to OK it and connect to your mail server. The message made perfect sense to me but not to the people who asked about it, so I asked a couple of family members who aren't into technology what they thought the message was trying to tell them and what they would do if it came up while they were on certificate is invalid the computer. Their answer: it "hurt" to read it and they'd ask me to look at it. I guess that proves it's a poorly written, overly technical error message. Target Principle name is incorrect I have a SSL IMAP email account that I just setup in Outlook. Every time I run the program I get a popup: "Internet Security Warning" The server you are connected to is using a security certificate that cannot be verified. The target principle name is incorrect. View Certificate. The certificate is self signed so I always just click Yes to continue using the server/email account, but how do I get Outlook to remember? This warning indicates the server name does not match the name in your account settings, or in the case of Exchange server, that the address in the autodiscover file does not match the address the server is using. This is a common problem when the administrator uses self-published certificates. If you can't change the server name you use in Outlook, you can publish the certificate in the Certificate store to reduce the frequency of the alert. In the Trusted Publishers folder should suffice or use the automatic setting. This probably won't totally eliminate the dialog, but you'll see it less often, usually only when you restart Outlook. To publish the certificate, click View Certificate then Install Certificate. Choose Current user, click Nes
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 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 Outlook SSL error when connecting to new exchange 2013 installation up vote 0 down vote favorite I've just installed Outlook 2013 and have all the clients connecting to it, however, whenever a client connects via outlook they are prompted with an invalid SSL message for myserver.mydomain.local. I have a wildcard certificate setup and assigned in IIS for *.example.com so I understand why the message appears but I am not exactly sure what to do about it and where to start looking without poking random things. From the research I've done, I can see that this can be caused by the autodiscover service so I have changed the domain DNS records to not use an A record but instead use an SRV record inline with this Microsoft article. Should this be sorting the issue and I am just being impatient with propagation or am I barking up the wrong tree? This post fixed the issue with an SRV record: Exchange 2013 SSL Warning in Outlook Edit Interestingly running get-ClientAccessServer | ft identity,AutodiscoverServiceInternalUri shows my internal FQDN and not my external one which I assume is the issue. I am going to try changing this now. domain-name-system ssl exchange exchange-2013 share|improve this question edited Jan 9 '15 at 14:10 asked Jan 9 '15 at 14:04 webnoob 17511128 add a comment| 1 Answer 1 active oldest votes up vote 2 down vote accepted Make sure the URL fit the certificate. Issue those command via powershell to validate; Get-ActiveSyncVirtualDirectory | fl internalurl,externalurl Get-AutoDiscoverVirtualDirectory | fl internalurl,externalurl Get-ECPVirtualDirectory | fl internalurl,externalurl Get-OabVirtualDirectory | fl internalurl,externalurl Get-WebServicesVirtualDirectory | fl internalurl,externalurl Change them to make them match the certificate; Get-ActiveSyncVirtualDirectory -server EXCHANGE | Set-ActiveSyncVirtualDirectory -ExternalUrl 'https://mail.example.com/Microsoft-Server-ActiveSync' -InternalUrl 'https://mail.example.com/Microsoft-Server-ActiveSync' Get-Autodiscove