Microsoft Office Communicator 2007 Certificate Error
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(עברית)المملكة العربية السعودية (العربية)ไทย (ไทย)대한민국 (한국어)中华人民共和国 (中文)台灣 (中文)日本 (日本語) HomeOnline20132010Interop ProgramsLibraryForumsGalleryLync Blogs Ask a question Quick access Forums home Browse forums users FAQ there was a problem verifying the certificate from the server skype for business 2015 Search related threads Remove From My Forums Answered there was a problem verifying the certificate from the server lync 2016 by: office communicator certificate error Lync Server , Lync > Lync 2010 lync there was a problem verifying the certificate from the server vpn and OCS - Lync Clients and Devices Question 0 Sign in to vote When I tried to sign in MS https://support.microsoft.com/en-us/kb/2014466 office communicator 2007 R2 from INTERNAL domain. I amgetting the error " There was a problem in veryifying the certificate. Please contact your system administrator" Sip changed and certificated issued and assigned to ocs 2007 r2 server . if we install https://social.technet.microsoft.com/Forums/lync/en-US/b449a3a4-928a-49fb-a736-952aeb8ad65c/office-communicator-certificate-error?forum=ocsclients the certificate manually on the client , user can sign up successfully . my question why domain joined client couldnt get the certificate , how to solve it. thank you Monday, June 10, 2013 6:31 AM Reply | Quote Answers 0 Sign in to vote if the client does not have the correct certificate, this error will result. several helpful articles are here: http://social.microsoft.com/Forums/en-US/communicationsservercertificates/thread/afa556eb-bc1f-4fc1-a95c-1d8a994350a8 http://support.microsoft.com/kb/2014466 http://social.technet.microsoft.com/Forums/en-US/ocscertificates/thread/0892e4e6-0189-4b72-8bed-a8f604051dc4 http://blog.insideocs.com/2008/08/28/making-office-communicator-sign-in-work-part-1-the-correct-dns-service-location-srv-record/ http://blog.insideocs.com/2008/09/14/making-office-communicator-sign-in-work-part-2-%e2%80%93-ensuring-the-correct-subject-name-on-the-certificate/ http://blog.insideocs.com/2008/09/23/making-automatic-office-communicator-sign-in-work-part-3-%E2%80%93-ensuring-the-client-trusts-the-issuing-certificate-authority/Don (Please take a moment to "Vote as Helpful" and/or "Mark as Answer", where applicable. This helps the community, keeps the forums tidy, and recognises useful contributions. Thanks!) Proposed as answer by Kent-Huang Tuesday, June 25, 2013 9:43 AM Marked as answer by thends007 Tuesday, August 06, 2013 11:33 AM Monday, June 1
Applies To: Communicator 2007 R2, Less Applies To: Communicator 2007 R2 , More... Which version do I have? More... This topic discusses how to sign in to Office Communicator 2007 https://support.office.com/en-us/article/Sign-in-to-Communicator-2007-e6693071-9020-4127-8c02-a09f49dff6c6 R2 automatically, how to change your sign-in account, and what to do http://blog.insideocs.com/2008/09/23/making-automatic-office-communicator-sign-in-work-part-3-%E2%80%93-ensuring-the-client-trusts-the-issuing-certificate-authority/ if you cannot sign in. What do you want to do? Start Communicator and sign in Change your sign-in account Troubleshoot sign-in Start Office Communicator 2007 R2 and sign in Typically, Communicator 2007 R2 is configured for you by your system administrator. However, the administrator might not have configured there was Communicator 2007 R2 to start automatically when you log on to Windows, so this option is covered in this topic. To start Communicator automatically when you log on to Windows On the Windows desktop, click Start, point to All Programs, and then click Microsoft Office Communicator 2007 R2. In the Office Communicator window, verify that your user name is correct, enter your there was a password, and then click Sign In. In the Office Communicator title bar, click the Menu button. Click Tools, click Options, and if not already selected, select the Automatically start Communicator when I log on to Windows check box. Top of Page Change your sign-in account To change your sign-in account, in the Office Communicator title bar, click the Menu button, point to Connect, and then click Change Sign-In Address. In the Options dialog box, under My account, specify a new account in the Sign-in address box, and then click OK. In the Office Communicator window, type the user name and password for the account, and then click Sign In. Top of Page Troubleshoot sign-in When Communicator 2007 R2 is first installed, it is usually configured for you by your system administrator. However, it is possible that you might not be able to sign in. If you receive an error message while trying to sign in, try the following troubleshooting steps before contacting your system administrator: Verify your sign-in address, user name, and password. Check advanced account settings, if appropriate. Obtain your configuration settin
3 – ensuring the client trusts the issuing Certificate Authority) In my previous two posts (Communicator Automatic Sign-In Part 1 and Part 2) I explored two common pitfalls to make Office Communicator 2007 Automatic Sign-In work with OCS 2007. In this post I explain one last hurdle: ensuring that the client trusts the Certificate Authority (CA) that issued the certificate used on the OCS 2007 server. If the Office Communicator client does not trust the CA that issued the certificate, an error will be displayed on sign-in: "There was a problem verifying the certificate from the server". This is often an issue in environments that employ self-signed certificates - especially if the Communicator client is being used in a different AD forest that the issuing CA (e.g. lab environments). A self-signed certificate is a certificate issued by a Certificate Authority (CA) that is generally not well known (e.g. listed as one of the default Certificate Authorities by the major Internet browsers. VeriSign and Entrust are examples of well known CA’s). Well known CA’s have the advantage of usually being automatically trusted by client computers. You can see the list of trusted CA’s by default on most Microsoft Windows operating systems in the Internet Options (open Internet Explorer and navigate to Tools | Internet Options | Content | Certificates). Self-sign certificates can be created, issued, and used in an OCS 2007 environment using Microsoft Certificate Services (http://msdn.microsoft.com/en-us/library/aa376539(VS.85).aspx) which ships with Windows Server 2003 and 2000. During installation, Microsoft Certificate Services is given a name, and all certificates issued by that server are signed-by (the Issued-By field on the certificate) a Certificate Authority with this name. A crucial requirement for Office Communicator cli