event id error 1586 ?



I have several DCs showing this event id and they are in
different subnets. We are using a foundry fi-400 to
connect our subnets. What do I need to set up on the
router to allow the upstream DC to talk to those accross
subnets? Is it using udp (netbios) for communicating?





Hello Jim,

Please take a look at the following article. It describes what ports are
need for connectivity of domaincontrolers that are behind firewall devices.
I hope you find this helpful.

179442 How to Configure a Firewall for Domains and Trusts

Please Reply Only to The Newsgroup

Thank You,

LaNae Ford
Support Engineer - MCSE
Directory Service Support

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