This week I installed Wordpress 3.4.2 (Linux Centos + Apache2) and configured the network option using subdomains. Then I installed the MU Domain Mapping plugin, so I would be able to use it with domain names instead of subdomains. This works for one domain, however the second domain redirects to the subdomain.

  • base site: multisites.com
  • two subsites: one.multisites.com and two.multisites.com
  • two new domains: one.de and two.com.de
  • one.de works correct (based on one.multisites.com)
  • two.com.de redirects to two.multisites.com
    • NB: two.com.de is a subdomain of com.de, and this is similar to the actual situation!

Two.com.de should not redirect. I don't see any differences in the setup. What could cause this and do you experience problems like this as well?

NB: I changed the domain names in the example to make it more clear.

  • 1
    Isn't two.co.test a sub-domain? I'd suggest you to use example.com and the likes, the fictitious names you're using are kind of confusing. I mean, one can get it, but has to read 2 or 3 times...
    – brasofilo
    Commented Dec 5, 2012 at 11:19
  • I'm sorry about the confusing domain names in the example. I use two.co.test because it actually is like that, so it's a subdomain from co.test, but that should not matter - or is this the cause of the problem? I will try with a third domain name: three.test! ;-)
    – SPRBRN
    Commented Dec 5, 2012 at 11:50
  • I changed the domain names in the example!
    – SPRBRN
    Commented Dec 5, 2012 at 11:59

1 Answer 1


Check if the Primary option is selected for the second domain under domain mapping settings. It should say Yes under Primary in Settings->Domains for that domain.

  • Thanks a lot! I didn't realise that was about to which domain the site would redirect.
    – SPRBRN
    Commented Dec 7, 2012 at 15:33

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