WorkDocs prevents login: "Unable to authenticate enterprise user. Please retry."

To isolate the issue, kindly collect a HAR log while log into the WorkDocs. You can refer the below document to collect the HAR logs : https://repost.aws/knowledge-center/support-case-browser-har-file

In the HAR log please check if you receive any error (similar to 401 : AuthenticationFailedException: Access is denied). Also login with a different Site Administrator account to verify the behaviour.

In order to get proper resolution for the issue that you are facing we require details that are non-public information. You can open a support ticket with us using the below link and share the above details so that we can review the details and assist you in resolving the issue. https://console.aws.amazon.com/support/home#/case/create