Hello,
We are running Windows 2003 Server with Active Directory Database. We have few Windows XP Clients. I don’t know why all XP clients are not able to connect to the Database though I have opened the following ports in my Firewall:
- TCP port 42 (nameserver service)
- TCP port 53 (domain service)
- TCP port 88 (kerberos service)
- TCP port 135 (epmap service)
- UDP port 137 (netbios-ns service)
- UDP port 138 (netbios-dgm service)
- TCP port 139 (netbios-ssn service)
- TCP port 389 (ldap service)
- TCP port 445 (microsoft-ds service)
- TCP port 636 (ldaps service)
- TCP port 3268
- TCP port 3269
Any idea what is the problem? Is there any other port am I missing which needs to be opened?
Please help.
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