BRAND_EXCHANGE_ONLINE_SHORT% Server 2010 SP3 automatically configures Internet Information Services (IIS) virtual directories ...

%BRAND_EXCHANGE_ONLINE_SHORT% Server 2010 SP3 automatically configures Internet Information Services (IIS) virtual directories for web applications such as %BRAND_EXCHANGE_ONLINE_SHORT% Web Services (EWS), %BRAND_OUTLOOK_SHORT% Address Book (OAB), %BRAND_OUTLOOK_WEB_APP_SHORT%, and %BRAND_EXCHANGE_ONLINE_SHORT% ActiveSync. In a hybrid configuration, the ExternalURL property for the EWS virtual directory must be configured with the externally accessible fully qualified domain name (FQDN) of your Internet-facing %BRAND_EXCHANGE_ONLINE_SHORT% 2010 Client Access server. In this step, you reset the external URL for virtual directories to the FQDN. If you've already configured these virtual directories in your organization, skip down to Verify your configuration and follow the steps to ensure that the virtual directories are correctly configured.