JD Edwards EnterpriseOne unifed logon server is unable to authenticate


Hello Everyone,
I have JDE XE and the JDE Update 8 service B733 Network in Windows is in Started status, however it no longer accepts connections, meaning that all the users who connected before continue with no problems working. I have to restart the JDE services in order to the users can log in in the system, I have to do that 3 times per week.
Does anyone know how to solve this error?