Hi Experts, We are using Exchange server 2007 for POP3, IMAP and IIS we are using third party root certificate i.e. Thawte and its going to expire on 15 Sep 2010. pls find the Get-ExchangeCertificate cmdlt result AccessRules : {System.Security.AccessControl.CryptoKeyAccessRule, System .Security.AccessControl.CryptoKeyAccessRule} CertificateDomains : {mail.Mydomain.com} HasPrivateKey : True IsSelfSigned : False Issuer : E=server-certs@thawte.com, CN=Thawte Server CA, OU=Certifi cation Services Division, O=Thawte Consulting cc, L=Cape T own, S=Western Cape, C=ZA NotAfter : 9/15/2010 5:29:59 AM NotBefore : 9/15/2009 5:30:00 AM PublicKeySize : 1024 RootCAType : ThirdParty SerialNumber : 4EE4DFDA6A0E5ABD96D55782038561F4 Services : IMAP, POP, IIS Status : Valid Subject : CN=mail.mydomain.com, OU=Domain Validated, OU=Thawte SSL123 cer tificate, OU=Go to https://www.thawte.com/repository/index .html, O= mail.mydomain.com Thumbprint : 06F25966440A29E68470BC1C31A85BA9330C86A9 Pls let me know the process to renew the Certificate so Exchange Services work fine without any interruption. Thanks in Advance Rgds, Balwan Singh

Hi, First you have to request a new cert from any third party & then follow these articles : http://technet.microsoft.com/en-us/library/bb851505(EXCHG.80).aspx http://www.exchangeinbox.com/article.aspx?i=114 http://blog.sembee.co.uk/post/Exchange-2007-and-SSL-Certificates-Take-2.aspxRipu Daman Mina | MCSE 2003 & MCSA Messaging

Just in case... Here's another 2 good links Create CSR https://www.digicert.com/easy-csr/exchange2007.htm Install the certificate http://www.digicert.com/ssl-certificate-installation-microsoft-unified-communications.htmJonas Andersson MCTS: Microsoft Exchange Server 2007/2010 | MCITP: EMA 2007/2010 | MCSE/MCSA Blog: http://www.testlabs.se/blog