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"Application Not Authorized to Use CAS" error when attempting to authenticate to IDP
Closed, ResolvedPublicBUG REPORT

Description

Steps to replicate the issue:

What happens?:

It fails to let me authenticate.

What should have happened instead?:

It should authenticate me and redirect to the OAuth consumer.

Other information:

Event Timeline

Mentioned in SAL (#wikimedia-cloud) [2026-06-01T15:40:56Z] <taavi> restart memcached on cloudinfra-idp-1 T427826

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<taavi> this is very unsatisfying but somehow the integration of unattended-upgrades and our custom puppet-shipped memcached unit file caused systemd to, uh, not start memcached again after it was upgraded?
<taavi> like, systemd thought the service was running but with no processes