Could you attach a log with a successful identification ?
Looks like it's password that is failing, which doesn't make sense if it's intermittent:
check_ntlm_password: Authentication for user [someuser] -> [someuser] FAILED with error NT_STATUS_ACCESS_DENIED
Could you attach a log with a successful identification ?
Looks like it's password that is failing, which doesn't make sense if it's intermittent: password: Authentication for user [someuser] -> [someuser] FAILED with error NT_STATUS_ ACCESS_ DENIED
check_ntlm_