Well, not everything goes right the first time. Another thing to check is your C:\WINNT\system32\drivers\etc\services. LDAP should use 389/tcp. Make sure nothing is conflicting with that. On one of my servers, I had to move ILS to another port.
If there's a firewall involved, make sure the port is open.
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Give a man a fish and he will be back for more. Slap him with a fish and he will go away forever.
