After updating our Keycloak service we are now facing the problem that usernames are not allowed with whitespaces. When trying to create such a user, the error is “‘Username’ contains invalid character.”. There are also no restrictions to characters set in the User Profile. Is there any chance to re…

I doubt that you will be able to ged rid of this default setting.

I am facing exactly the same issue, does anyone know what version exactly introduced this? I can’t find the commit. This also affects already created users because now update profile won’t work due to invalid characters on username.

Found a fix. Context: username contains invalid characters · Issue #28231 · keycloak/keycloak · GitHub Just delete username-prohibited-characters validator.

Nice, this solves it! I did not think of this (somewhat obvious :/) solution a the Config is ‘{}’ so I thought that there are no restrictions anyway. Thanks alot!

Username with spaces not allowed anymore

Configuring the server

udayrachati October 8, 2024, 10:29am 6

i am not able to delete it

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Username with spaces not allowed anymore

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