Title: WordPress 4.2 network admin multisite redirect loop
Last modified: August 24, 2016

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# WordPress 4.2 network admin multisite redirect loop

 *  Resolved [Austin Ginder](https://wordpress.org/support/users/austinginder/)
 * (@austinginder)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/)
 * I manage 12 separate multisite networks. After upgraded to WordPress 4.2 five
   out of twelve now give me a redirect loop while attempting to access the network
   admin: /wp-admin/network/. I assume it’s a plugin conflict and am working to 
   find a solution. Anyone else run into this issue with multisite?
 * All 12 multisites are running on WP Engine and have a similar set of plugins 
   and configuration. Odd this issue is only affecting 5 of them.
 * [https://wordpress.org/plugins/wordpress-mu-domain-mapping/](https://wordpress.org/plugins/wordpress-mu-domain-mapping/)

Viewing 13 replies - 1 through 13 (of 13 total)

 *  [Jonas Hjalmarsson](https://wordpress.org/support/users/jonashjalmarsson/)
 * (@jonashjalmarsson)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052429)
 * Following! I have similar issues after upgrading to 4.2.
 *  Thread Starter [Austin Ginder](https://wordpress.org/support/users/austinginder/)
 * (@austinginder)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052439)
 * Ok so some more details. I ruled out any networked activated plugin. It’s not
   them or at least, I have other multisite with the same core (akismet/akismet.
   php, jetpack/jetpack.php, wordpress-mu-domain-mapping/domain_mapping.php) installed
   which are not having issues. Most of the installs are redirect looping between
   the main network address and subsite 2. I thought I was on to something until
   I discovered one looping between the main network address and subsite 12. So 
   no commonalities there. I checked the database all of the following are clean
   and correct.
    - wp_options: options named “siteurl” and “home”
    - wp_site
    - wp_sitemeta: the option named “siteurl”
    - wp_blogs: any entries in the “domains” column that have the old domain name
    - wp_#_options: Each sub-site will have sets of tables that correspond to the
      blog_id in the wp_blogs table. You need to go to the wp_#_options table, where#
      corresponds to the blog_id, and update the “siteurl” and “home” settings in
      that table.
 * Anyone have any other ideas? I’m started to think this might be a bug in core.
 *  Thread Starter [Austin Ginder](https://wordpress.org/support/users/austinginder/)
 * (@austinginder)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052516)
 * Ok this turns out to be a bug with ACF Pro 5.2.3. See here for details: [http://support.advancedcustomfields.com/forums/topic/bug-acf-pro-5-2-3-and-wp-multisite/](http://support.advancedcustomfields.com/forums/topic/bug-acf-pro-5-2-3-and-wp-multisite/).
 *  [verdonv](https://wordpress.org/support/users/verdonv/)
 * (@verdonv)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052607)
 * I’m experiencing this and am not using ACF Pro, so there may be something else
   involved here too.
 *  [justincarlson](https://wordpress.org/support/users/justincarlson/)
 * (@justincarlson)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052656)
 * Also having the redirect loop problem after updating to 4.2, and I’m not using
   ACF Pro.
 *  [verdonv](https://wordpress.org/support/users/verdonv/)
 * (@verdonv)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052664)
 * I discovered that it was happening on one multi-site install, but not another,
   on the same server. And then even on the problematic installation, it was not
   happening with every domain. Although it made no sense, and was perhaps just 
   coincidence, deleting the domain mapping record for the problematic domain, and
   re-creating it, solved the issue. Cookies were also cleared locally.
 * So, not much troubleshooting help, but it worked for my particular instance.
 *  [justincarlson](https://wordpress.org/support/users/justincarlson/)
 * (@justincarlson)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052694)
 * I tried deleting and re-adding the domain mapping record, but it didn’t help.
 *  [Aron Prins](https://wordpress.org/support/users/aronprins/)
 * (@aronprins)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052713)
 * Having the same issues – all domain mapping stopped and in my case redirects 
   to cgi apache page.
 * Anyone? 🙂
 *  [grahamharper](https://wordpress.org/support/users/grahamharper/)
 * (@grahamharper)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052727)
 * I’m having the same problem with WP 4.2.1, even with ACF plugin disabled.
 *  [aldavies](https://wordpress.org/support/users/aldavies/)
 * (@aldavies)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052741)
 * I can confirm that 0.5.4.4 with WP 4.2.1 is compatible. I’ve upgraded and everything
   went as planned, so I’d suggest a local or dev install and testing to look at
   your specific domain mapping settings etc
 *  [lorenzo.faresin](https://wordpress.org/support/users/lorenzofaresin/)
 * (@lorenzofaresin)
 * [11 years ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052743)
 * I have the same problem. WordPress 4.2.1 MU and ACF pro.
 * Please update the ticket. Is not resolved!
 * Thanks,
    Lorenzo
 *  [George wp-website-mastery](https://wordpress.org/support/users/lernerconsult/)
 * (@lernerconsult)
 * [10 years, 11 months ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052834)
 * Have you tried checking for Debug errors? On a multi-site installation, you want
   to have [WordPress debugging On for only your IP address](http://computerhelp.glerner.com/2014-debugging-wordpress-problems-for-only-you/).
   It can be invaluable for tracking down problems like this!
 * The domain mapping plugin works fine on my sites with WP4.2.1 and WP4.2.2.
 *  [George wp-website-mastery](https://wordpress.org/support/users/lernerconsult/)
 * (@lernerconsult)
 * [10 years, 11 months ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052835)
 * [@austin](https://wordpress.org/support/users/austin/) Ginder: WPEngine is managed
   hosting with higher attention to anti-malware security than most hosts. You could
   have words (partial words) in some URLs that trigger their security system to
   block the URL. This would be a 403 error but before it ever gets to your account.
 * Sucuri and iThemes Security and related security plugins might also block some
   URLs, for the same reasons. Learn how to make exceptions for their security rules,
   or disable the specific rule.
 * I first ran into these problems with SiteGround blocking bad User-Agents, such
   as semalt, archive.org, Baiduspider, MJ12bot (all triggering 403 Forbidden errors);
   if I remember right I was writing a post comparing zip/tar/7zip etc archive formats
   and “-archive” was blocked in the URL. Then I had my .htaccess script blocking
   words like “update” (a SQL command hackers use) and had to make an exception 
   for WordPress URLs such as /wp-admin/network/site-new.php?update=added or /wp-
   admin/network/update-core.php and the list goes on…

Viewing 13 replies - 1 through 13 (of 13 total)

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 * 13 replies
 * 9 participants
 * Last reply from: [George wp-website-mastery](https://wordpress.org/support/users/lernerconsult/)
 * Last activity: [10 years, 11 months ago](https://wordpress.org/support/topic/wordpress-42-network-admin-multisite-redirect-loop/#post-6052835)
 * Status: resolved