### **Environment**:

Your OpenProject Version: Begin of the insertion11.3.4End of the insertion Begin of the deletion <VERSION> / Cloud EditionEnd of the deletion

Begin of the deletion Operating System / Browser / OpenProject language:

End of the deletion ### Begin of the deletion **Logs**

Are there errors in the browser console? ([Click here for information on how to open your browser's console](https://webmasters.stackexchange.com/a/77337)) For a local installation: Are there relevant logs output by `openproject logs` (packaged installation) ([click here for details](https://docs.openproject.org/installation-and-operations/operation/monitoring/#show-logs)) or in a log/production.log or /var/log/openproject/ ? Please attach error output in these log files if applicable

###End of the deletion **Steps to reproduce:**

1. Begin of the insertionConfigure LDAP authenticationEnd of the insertion Begin of the deletion Go to page XEnd of the deletion
2. Begin of the insertionConfigure auth source SSOEnd of the insertion Begin of the deletion Click on button YEnd of the deletion
3. Begin of the insertionCreate user with lower case login
4. Pass login with upper case in X-Remote-User header during a requestEnd of the insertion Begin of the deletion Select FooEnd of the deletion

### **Actual Behavior**

Begin of the insertionThe user is not logged in due to an error savingEnd of the insertion Begin of the deletion DescribeEnd of the deletion the Begin of the insertionsession.End of the insertion Begin of the deletion behavior you're seeing.End of the deletion

### **Expected Behavior**

Begin of the insertionThe user is logged in.End of the insertion Begin of the deletion Describe the expected behavior.End of the deletion