Hi Chenks
Please see run down for CA crt trust for IIS6
Many thanks
John
click Run
Type in MMC and press Enter
Click OK
click File - Add/Remove Snap-in
Click Add
Select Certificates
Click Add
Select Computer Account
Click Next
Select Local Computer
Click Finish
In the snap-in list window, click Close
In the Add/Remove Snap-in Window, click OK
On the left pane, expand the 'Intermediate Certification Authorities' folder
Right-Click on the 'Certificates' folder
Select All Tasks > Import
In the Certificate Import Wizard, click Next
Click Browse and navigate to the Intermediate CA Certificate File
Click Next
Select 'Place all certificates in the following store'
If necessary, browse and select 'Intermediate Certification Authorities'
Click OK
Click Next
Click Finish
Close the MMC
reboot server