@timothywatson This kind of problems arise when we remove some app or add-on which comes with associated roles like winfra_adminin case of Windows TA. To identify which role is creating issue, try accessing Maintenance window option from ITSI or any other configuration related dropdown which will throw 404 about missing role. Solution for this issue is, we have to remove that specific role from passwd file from $SplunkHome/etc or try creating the role manually in access controls. After refresh platform will work asusual and this manually created role will be removed automatically after few seconds.
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