Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.

If no Domain Controllers are available within a site, will clients failover to Domain Controllers in the closest available site?

0
Posted

If no Domain Controllers are available within a site, will clients failover to Domain Controllers in the closest available site?

0

No. Although you might expect this to be the case, if a client can’t find a DC in its site, it will then try to find any DC in its domain, regardless of site, based on the weights and priorities associated with the DCs’ locator records in DNS. Site link cost doesn’t enter into the process.Clients generally always try to use a DC in their own site. The DNS query for this is:_ldap._tcp.._sites.dc._msdcs..If no DCs respond to the reques then the client will attempt to find a DC using a different DNS query, as follows:_ldap._tcp.dc._msdcs..As you can see, there is no site-specific information in the second query, which means that any DC in the domain can potentially be returned in the results. One useful option is to consider not registering the generic domaini records for any DCs that are in branch offices. This way you will ensure that your datacentre DCs will be used in failover situations (as well as for initial DC location). This will ensure a quicker f

Related Questions

What is your question?

*Sadly, we had to bring back ads too. Hopefully more targeted.

Experts123