Hii'm trying to set up Sharepoint in DMZ. the sql server is incorporate domain, the sharepoint farm inperimeter domain (dmz). A trust relationship is established in which the perimeter domain trusts the corporate domain the problem is this: when i run sharepoint configuration wizard i cannot connect to sql server using windows authentication- i get those error messages on sql server: error1: Login failed for user ''. The user is not associated with a trusted SQL Server connection. [CLIENT: xxx.xxx.xxx.xxx] (please note the username does not show up, xxx - ip address ) error2: SPI handshake failed with error code 0x80090311 while establishing a connection with integrated security; the connection has been closed. [CLIENT:xxx.xxx.xxx.xxx] so i run "psconfig" per microsoft article http://support.microsoft.com/kb/932376/en-usand used SQL authentication. that worked fine. wizard completed, i'm able to conect to sharepoint configuration site, but when i want to create a new web application and use windows authentication it fails again throwing same error message on sql. i run sql surface configuration wizard,remote connections are allowed and the transport of both TCP/IP and Named Pipes has been set. Enable Network DTC has been configured on both the SQL Server and MOSS host server. still doesn't work. how can i enable windows authentication so i can sucessfuly deploy sharepoint in dmz. is it even possible at this point? do i have to use sql authentication to create sites from now on? Please help

Hi, There are 2 approaches to this issue: place your SQL server database and create it on the DMZ environment or Allow incoming traffic on port 1433 from the DMZ Check these links for help: http://technet.microsoft.com/en-gb/library/cc262834(office.12).aspx Securing External SharePoint Communications BR, PM