Title: Could Not Switch Users
Last modified: August 22, 2016

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# Could Not Switch Users

 *  Resolved [nathaningram](https://wordpress.org/support/users/nathaningram/)
 * (@nathaningram)
 * [11 years, 4 months ago](https://wordpress.org/support/topic/could-not-switch-users/)
 * First of all, I love your plugin. It’s a must install on almost all my sites 
   and makes testing access control and dashboard customization for various users/
   groups so much easier, so… thanks!
 * Now the problem. On one of my sites, I’m suddenly getting the error “Could not
   switch users” whenever I try to do so from the user list. Any idea what could
   be causing this?
 * [https://wordpress.org/plugins/user-switching/](https://wordpress.org/plugins/user-switching/)

Viewing 6 replies - 1 through 6 (of 6 total)

 *  Thread Starter [nathaningram](https://wordpress.org/support/users/nathaningram/)
 * (@nathaningram)
 * [11 years, 4 months ago](https://wordpress.org/support/topic/could-not-switch-users/#post-5688907)
 * The problem seems to be related to a setting in the iThemes Security plugin. 
   When it’s disabled, User Switching works as expected. I’ll update this thread
   for posterity when I figure out what the exact issue is.
 *  Plugin Author [John Blackbourn](https://wordpress.org/support/users/johnbillion/)
 * (@johnbillion)
 * WordPress Core Developer
 * [11 years, 4 months ago](https://wordpress.org/support/topic/could-not-switch-users/#post-5689176)
 * Which setting in iThemes Security is causing a problem?
 *  Thread Starter [nathaningram](https://wordpress.org/support/users/nathaningram/)
 * (@nathaningram)
 * [11 years, 4 months ago](https://wordpress.org/support/topic/could-not-switch-users/#post-5689177)
 * It appears to be the long URL and suspicious query string setting. I am experimenting
   with this now.
 *  [kiwi3685](https://wordpress.org/support/users/kiwi3685/)
 * (@kiwi3685)
 * [10 years, 11 months ago](https://wordpress.org/support/topic/could-not-switch-users/#post-5689320)
 * Nathan
 * Did you confirm the cause of the problem?
 * I’m experiencing the same, but turning off either or both the long URL and suspicious
   query string settings don’t appear to solve it.
 *  Thread Starter [nathaningram](https://wordpress.org/support/users/nathaningram/)
 * (@nathaningram)
 * [10 years, 11 months ago](https://wordpress.org/support/topic/could-not-switch-users/#post-5689321)
 * Turning off long URL and suspicious query strings worked for me.
 *  [kiwi3685](https://wordpress.org/support/users/kiwi3685/)
 * (@kiwi3685)
 * [10 years, 11 months ago](https://wordpress.org/support/topic/could-not-switch-users/#post-5689322)
 * Thanks. I guess I’ll have to do a bit more digging in that case. I must have 
   some other blockage.

Viewing 6 replies - 1 through 6 (of 6 total)

The topic ‘Could Not Switch Users’ is closed to new replies.

 * ![](https://ps.w.org/user-switching/assets/icon.svg?rev=3193956)
 * [User Switching](https://wordpress.org/plugins/user-switching/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/user-switching/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/user-switching/)
 * [Active Topics](https://wordpress.org/support/plugin/user-switching/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/user-switching/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/user-switching/reviews/)

 * 6 replies
 * 3 participants
 * Last reply from: [kiwi3685](https://wordpress.org/support/users/kiwi3685/)
 * Last activity: [10 years, 11 months ago](https://wordpress.org/support/topic/could-not-switch-users/#post-5689322)
 * Status: resolved