[sam brown]

I am not running a multisite but I would like to set up a connected subdomain. Is there a way that I could keep members signed in when they click through from mydomain.com to site2.mydomain.com; site3.mydomain.com etc?

If not, would members stay signed in if I had a multisite and if so is it feasible to retrospectively convert an established single site to a multisite ?

[Christian Wach]

Multisite would indeed solve your problem. Converting from single instance to multisite can be problematic if the site is established (WordPress won’t allow you to do that automatically) but it can be done.

You’ll probably need to create a clean Multisite instance and then import your existing content – though if you have BuddyPress (and perhaps other plugins) enabled, this won’t be enough… some direct manipulation of the database will most likely be required.

[sam brown]

Hi Christian, thanks for the reply. I have tried version one of your suggestions. The multisite set up seems to be working but when a member of the main site transfers to the new sub-site they are required to login in again. The site does accept the registered username and password but because of my log in set up they are then redirected back to their profile page on the main site. I could presumably remove the sub-site login and add a restrict content view plugin but I just wondered if this is the expected outcome or whether I have missed a step. As a note, I have also ended up with sub-directories rather than sub-domains, not sure if that has any impact on the issue.

[Christian Wach]

Sub-directories or sub-domains shouldn’t matter.

If the existing user isn’t added to the sub-site, then they would need to login. If they have been added to the network, then they get automatic Subscriber role on each site. See:

http://codex.wordpress.org/Multisite_Network_Administration

You’ll find a number of plugins that address this issue. For example, some of those listed here:

http://premium.wpmudev.org/blog/7-plugins-for-easier-wordpress-multisite-user-management/

The profile redirect may need to be amended appropriately, but if they have a role on each site, it shouldn’t interfere with that.

[sam brown]

Thanks for the help and links. I’m now sorted.

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