Some of our services that integrate with AD DS I've noticed tend to hang the first time they send out a query (such as to send a request for user password authentication) .. This seems to occur with the services that directly support AD integration
where I can specify the name of the AD domain rather than specific LDAP server addresses. Our domain is relatively small with only two domain controllers, both of which seem to be operating correctly, and both of which I can authenticate against fine
if I specify either one of those two servers. I'm not sure if it's a DNS-related issue causing a timeout when a client asks for a connection to our root domain name? I'm not sure where to start to look.. If I ping or nslookup our root domain
name, it comes back pretty quickly with one of our two DCs.
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