TomCat Service cannot authenticate from DMZ to AD to start TomCat Service 2008R2

Hi Folks,

Have a Winodws 2008R2 box in the DMZ we run Tomcat on it and it starts its service with AD Account Credentials.

What ports do I need to make this happen:

DMZ >>> INTERNAL LAN

LAN >>> DMZ
999Asked:
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Manjunath SulladTechnical ConsultantCommented:
Check the connectivity to Active Directory, Telnet to DC with port number 389.

telnet Servername 389, If its working fine, There is no problem with LDAP service.

Also cross verify with Server Admin who is maintaining AD,
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999Author Commented:
Need more than LDAP, Kerberos RCP secure channel setup and password exchanges after timeouts.

I am getting closer so will post when I nail it.
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999Author Commented:
I sorted guys DNS, LDAP(U) KERBEROD and RCP(135) from DMZ to INT
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999Author Commented:
I spent an entire weekend on this trial and error reducing the number of ports required just to allow a service to authenticate with AD.
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