Outlook 2007 Security Certificate Error
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The Name On The Security Certificate Is Invalid Or Does Not Match The Name Of The Site Outlook 2010
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(Exclaimer) Sales & Marketing Manager GROUP SPONSORED BY EXCLAIMER TECHNOLOGY IN THIS DISCUSSION Join the Community! Creating your account only takes the name on the security certificate is invalid or does not match the name of the site - part 1 a few minutes. Join Now When I load up Outlook 2007 and the name on the security certificate is invalid or does not match the name of the site exchange 2007 connect to the exchange server a certificate error pops up every time.. even after accepting and installing it. the name on the security certificate is invalid exchange 2010 internal I checked the error and the certificate is expired. I ran the New-GenerateCertificate on the exchange 2007 server and generated a certificate that expires 6/2010, but outlook is still popping up https://support.microsoft.com/en-us/kb/940726 the same expired certificate. What do I need to do for outlook to reconize the new certificate, or have exchange push out the new one? Reply Subscribe View Best Answer RELATED TOPICS: Outlook certificate error Certificate Error - Outlook 2007 (Part 2) Outlook 2007 Certificate Error(Need to install new Cert)   1 2 Next ► 25 Replies Datil https://community.spiceworks.com/topic/39014-certificate-error-outlook-2007 OP Helpful Post DEngelhardt Jun 2, 2009 at 9:13 UTC You need to remove the old certificate from the Exchange Server. MS has specific instructions for generating a new and removing an old. Be careful to make sure the certificate is purposed properly. You can set it for IMAP, POP3, HTTPS, etc and must if you want to use OWA or Outlook Express clients. 0 Chipotle OP Meowser Jun 2, 2009 at 10:25 UTC Okay, I made sure there were no other certificates in the system.. and i regenerated the current one again (see below). I deleted the mail account out of outlook and I checked my system for any certificates relating to exchange... when i created a new mail account and had it search for exchange, it immediately popped up with the certificate error.. and the same one.. it said it was generated by PLESK and it was valid 3/5/08 - 3/5/09. I forgot to mention in my previous post.. this all started after I followed these instructions on moving the exchange server to a new piece
encounter a certificate error in Outlook 2007/2010. I have included a screenshot of the error I encountered with Outlook 2007 : When you choose the View Certificate button, it brings up another window that shows you what certificate is http://www.shudnow.net/2007/08/10/outlook-2007-certificate-error/ in error. In this case, the certificate name is "mail.shudnow.net." So the million dollar question? Why the error? Well, when we install a new certificate, there are a few tasks we want to do. Obviously, we install the certificate for a purpose. This purpose is till allow us to use Exchange services securely. So how do we enable Exchange to use these services? If you are planning to do a security certificate very simple configuration and do not care about external Autodiscover access, you do not need to use a Unified Communication Certificate. You can read more about these certificates in one of my other articles here. So let's say we have a simple regular common certificate. A certificate with a Common Name (CN) of mail.shudnow.net We install this certificate onto our Exchange box with its' private key. In our case we the name on were migrating so we did not have to request a certificate via IIS. We just exported it with its' private key and imported onto the new box. We then assigned this certificate to IIS. Now I went to the Exchange Management Shell and enabled Exchange services to use this certificate. In order to do this, you must run the following commands: Get-ExchangeCertificate Thumbprint Services Subject ------- ----- ----- BCF9F2C3D245E2588AB5895C37D8D914503D162E9 SIP.W CN=mail.shudnow.net.com What I did was go ahead and enable all new services to use every available service by using the following command: Enable-exchangecertificate -services IMAP, POP, UM, IIS, SMTP -Thumbprint BCF9F2C3D245E2588AB5895C37D8D914503D162E9 The next step would be to ensure the AutodiscoverInternalURI is pointed to the CAS that will be your primary CAS for Autodiscover servicing. Get-ClientAccessServer -Identity CASServer | FL AutoDiscoverServiceInternalUri : https://casnetbiosname/Autodiscover/Autodiscover.xml See the issue here? We are not using a UC certificate that contains the names, "casnetbiosname, casnetbiosname.shudnow.net, mail.shudnow.net, and autodiscover.shudnow.net" Since the Autodiscover directory in IIS will be requring SSL encryption, the url specified in the AutoDiscoverServiceInternalURI must match what is specified in your certificate. You must also ensure there is a DNS record that allows mail.shudnow.net to resolve to your CAS. We should re-configure the AutoDiscoverServiceInternalURI by using the following command: Set-ClientAccessServer -Identity CASServer -AutoDiscoverServiceInternalUri https://mail.shudnow.net/Autodiscover/Au