Nagios Support Forum

I forgot to mention, SSO logging wasn't implemented until 2026R1.

Hello @Mosiout,

The SSO logs are located in /usr/local/nagiosxi/var/components/sso_integration.log.

Please verify that your inheritance isn't being negated. Services have some very particular rules around whether they will and what they will inherit from their host. https://assets.nagios.com/downloads/nagioscore/docs/nagioscore/4/en/whatsnew.html Contact Inheritance - According to the documentatio...

Hello @davemulv1,

Have you tried repairing the database? https://assets.nagios.com/downloads/nag ... abases.pdf

It's hard to say for sure without digging in deeper, but that seems the most likely cause to me.

Here's our documentation on backing up/restoring/migrating XI: How To Back Up & Restore Your Nagios XI 2024 Or 2026
System

I believe 2026R1.0.1 is recent enough where a backup and restore should work between them.

Hello @Gonzalezenks,

What version of Nagios XI are you on? There was a fix for this issue on 2026R1. Are you continuing to encounter this after the fix was implemented?

@clangbecker, I have got in a fix for PHP message: PHP Warning: Undefined variable $ts in /usr/local/nagiosxi/html/includes/utils-time.inc.php on line 68 and fixed a bad comparison where the scheduled downtime feature was comparing minutes to seconds, which may be the cause of your inability to gene...

Interesting. I haven't been able to reproduce this, but I'll see if I can figure out what's going wrong here. Does this issue only ever happen with those configured via SSO and is it consistent?

Hi @clangbecker, So you're saying that admins configured with SSO prior to 1.2 are unable to schedule downtime? Is your XI instance updated to 1.2? I just configured an admin user via SSO on my 1.2 machine and had no trouble scheduling downtime. Have you seen anything in your PHP logs when they atte...

If you update your xi_users table to InnoDB, you should be able to run the schema without issue. You can accomplish this with Nagios XI 2026R1.1.1 will have a script that will update the table engines for the nagiosxi database and will resolve this issue.