I am using Windows SBS 2003 SP2, and it works fine for me. I have compared Todd's settings to my own, and noted the differences below in red:
Microsoft Windows Server 2003
for Small Business Server
Service Pack 2
-IIS Manager
-Server
-Web Sites
-Default Web Site
(Properties - Directory Security)
Authentication & access control
Enable anonymous access - OFF (ON)
Integrated Windows Authentication- OFF (ON)
Basic Authentication- ON
Default Domain- \
Server Communications:
Require secure channel (SSL): ON (OFF)
Regire 128-bit encryption: ON (OFF)
Ignore Client Certificates: ON
-Exchange
(Properties - Directory Security)
Authentication & access control
Enable anonymous access - OFF
Integrated Windows Authentication- ON
Basic Authentication- ON
Default Domain- \ (your internal domain name in "domain.local" format)
Server Communications:
Require secure channel (SSL): ON
Regire 128-bit encryption: ON (OFF)
Ignore Client Certificates: ON
-exchange-oma
(Properties - Directory Security)
Authentication & access control
Enable anonymous access - OFF
Integrated Windows Authentication- ON
Basic Authentication- ON
Default Domain- \ (your internal domain name in "domain.local" format)
Server Communications:
Require secure channel (SSL): OFF
Regire 128-bit encryption: OFF
Ignore Client Certificates: ON
-Microsoft-Server-Active-Sync
(Properties - Directory Security)
Authentication & access control
Enable anonymous access - OFF
Integrated Windows Authentication- OFF
Basic Authentication- ON
Default Domain- (BLANK) (your internal domain name in "domain" format)
Server Communications:
Require secure channel (SSL): ON (OFF)
Regire 128-bit encryption: ON (OFF)
Ignore Client Certificates: ON
-OMA
(Properties - Directory Security)
Authentication & access control
Enable anonymous access - OFF
Integrated Windows Authentication- OFF
Basic Authentication- ON
Default Domain- (BLANK) (your internal domain name in "domain" format)
Server Communications:
Require secure channel (SSL): ON (OFF)
Regire 128-bit encryption: ON (OFF)
Ignore Client Certificates: ON
No guarantees that following these settings will work, of course. But they do work for me. If you change all of the above and it still doesn't work, there may be other settings that are not correct.
Microsoft Windows Server 2003
for Small Business Server
Service Pack 2
-IIS Manager
-Server
-Web Sites
-Default Web Site
(Properties - Directory Security)
Authentication & access control
Enable anonymous access - OFF (ON)
Integrated Windows Authentication- OFF (ON)
Basic Authentication- ON
Default Domain- \
Server Communications:
Require secure channel (SSL): ON (OFF)
Regire 128-bit encryption: ON (OFF)
Ignore Client Certificates: ON
-Exchange
(Properties - Directory Security)
Authentication & access control
Enable anonymous access - OFF
Integrated Windows Authentication- ON
Basic Authentication- ON
Default Domain- \ (your internal domain name in "domain.local" format)
Server Communications:
Require secure channel (SSL): ON
Regire 128-bit encryption: ON (OFF)
Ignore Client Certificates: ON
-exchange-oma
(Properties - Directory Security)
Authentication & access control
Enable anonymous access - OFF
Integrated Windows Authentication- ON
Basic Authentication- ON
Default Domain- \ (your internal domain name in "domain.local" format)
Server Communications:
Require secure channel (SSL): OFF
Regire 128-bit encryption: OFF
Ignore Client Certificates: ON
-Microsoft-Server-Active-Sync
(Properties - Directory Security)
Authentication & access control
Enable anonymous access - OFF
Integrated Windows Authentication- OFF
Basic Authentication- ON
Default Domain- (BLANK) (your internal domain name in "domain" format)
Server Communications:
Require secure channel (SSL): ON (OFF)
Regire 128-bit encryption: ON (OFF)
Ignore Client Certificates: ON
-OMA
(Properties - Directory Security)
Authentication & access control
Enable anonymous access - OFF
Integrated Windows Authentication- OFF
Basic Authentication- ON
Default Domain- (BLANK) (your internal domain name in "domain" format)
Server Communications:
Require secure channel (SSL): ON (OFF)
Regire 128-bit encryption: ON (OFF)
Ignore Client Certificates: ON
No guarantees that following these settings will work, of course. But they do work for me. If you change all of the above and it still doesn't work, there may be other settings that are not correct.