Problems with MEAP13WK-0RCAutomatic retrieval of domain information and service information retrieval fail when Windows Serverfirewall is set.(P. 918)Connecting to an Active Directory server fails when Windows Server firewall is set (an error messageindicating that the authentication server is not operating is displayed).(P. 918)User authentication fails when Windows Server firewall is set.(P. 918)Cannot log in to Active Directory.(P. 919)Startup is slow.(P. 919)Login is slow.(P. 919)Automatic retrieval of domain information and service information retrievalfail when Windows Server firewall is set.DNS server* communication is blocked by the firewall.● Stop blocking the default port 53.* A DNS server usually performs communication with the UDP protocol using port 53, but the data may be processed with the TCPprotocol if it exceeds a certain size.Connecting to an Active Directory server fails when Windows Server firewallis set (an error message indicating that the authentication server is notoperating is displayed).Communication with the Active Directory* server is blocked by the firewall.● Stop blocking the default port 88.* If Active Directory is set as the login destination, communication is normally performed with the UDP protocol using port 88, butthe data may be processed with the TCP protocol if it exceeds a certain size.User authentication fails when Windows Server firewall is set.Communication using LDAP server authentication is blocked by the firewall.● Stop blocking port 389.* Communication is performed with the TCP protocol using port 389 by default. If you have changed the port, stop blocking the newport.Troubleshooting918
