We have Exchange 2007 installed, When i click to set my out of office i receive an error. When right clicking outlook 2007 i seletc to test my setting and receive some errors: Guessmart POP: server mail.ourDomain.co.uk, port 110, FAILED (0x800CCC0D)Guessmart POP: server pop3.ourDomain.co.uk, port 110, FAILED (0x800CCC0D)AutoDiscover to https://ourDomain.co.uk/autodiscover/autodiscover.xml FAILED (0x800C8203) I have added an autodiscover in DNS after reading around but i THINK this may be related to a certificate issue but not sure. Could some provide some step by step guidance instructions on what i could do to get this resolved? Thanks

Hi, 1. 0x800CCC0D CANT_FIND_HOST What is your account type, Exchange account or POP3 account? Please follow the steps in the below article to find the stick point of this issue. How to troubleshoot error messages that you receive when try to send and receive e-mail in Outlook and in Outlook Express http://support.microsoft.com/kb/813514/en-us Besides, please ensure that you do not enable SSL on POP3 services. From the error information we notice that it use 110 port, but not 995. 1. Run get-exchangecertificate |FL from Exchange Management Shell to see whether theres certificate for pop service. 2. Please open Exchange Management Console, find Server Configuration-Client Access-POP3 and IMAP4. 3. Please right click on pop3 and select properties, please check Authentication tab. If no certificate has been installed on pop3,then please do not select Secure logon. After that, please check IIS settings, especially the port on the Default Web Site in IIS it should be 80 and 443 2. 0x800C8203 ERROR_INTERNET_NAME_NOT_RESOLVED 1. Please check whether you have right setting in DNS, whether you have two NIC for CAS server. 2. Try to ping ourdomain.co.uk from the client which encounter the issue. 3. Please try to use Internet Explorer to access the following link https://ourDomain.co.uk/autodiscover/autodiscover.xml. 4. If you cannot access that Webpage, then please use URL: https://<CAS IP Address>/autodiscover/autodiscover.xml If you can access autodiscover.xml by CAS IP Address, then please double check autodiscover A record in DNS. 5. Please check certificate on autodiscover, whether it has been correctly issue to ourDomain.co.uk. Besides, please disable RSA Security from Autodiscover, EWS, OAB & Unified Messaging folders in IIS on the CAS serverand then run IISreset from a command prompt. You can run Get-autodiscovervirtualdirectory |fl to check its internal URL and external URL. How to Configure SSL Certificates to Use Multiple Client Access Server Host Names http://technet.microsoft.com/en-us/library/aa995942(EXCHG.80).aspx Deployment Considerations for the Autodiscover Service http://technet.microsoft.com/en-us/library/aa997633(EXCHG.80).aspx Hope it helps. Xiu