Hello Jay, how's it going? By the command line it does not start the service I'm using Ambari to do this! I was able to start the services, however I am now having problems configuring LDAP. It's the first time I do this, I'm about 6 days trying without success. this is authorizers.xml <authorizers> <userGroupProvider> <identifier>file-user-group-provider</identifier> <class>org.apache.nifi.authorization.FileUserGroupProvider</class> <property name="Users File">/var/lib/nifi/conf/users.xml</property> <property name="Legacy Authorized Users File"></property> <property name="Initial User Identity 0">CN=nifi_user,CN=Users,DC=br,DC=xxxxx</property> <property name="Initial User Identity 1">CN=aslxub34az, OU=NIFI</property> <property name="Initial User Identity 2">CN=aslxub35az, OU=NIFI</property> <property name="Initial User Identity 3">CN=aslxub36az, OU=NIFI</property> <property name="Initial User Identity 4">CN=aslxub37az, OU=NIFI</property> <property name="Initial User Identity 5">CN=aslxub38az, OU=NIFI</property> </userGroupProvider> <accessPolicyProvider> <identifier>file-access-policy-provider</identifier> <class>org.apache.nifi.authorization.FileAccessPolicyProvider</class> <property name="User Group Provider">file-user-group-provider</property> <property name="Authorizations File">/var/lib/nifi/conf/authorizations.xml</property> <property name="Initial Admin Identity">CN=nifi_user,CN=Users,DC=br,DC=xxxxx</property> <property name="Legacy Authorized Users File"></property> <property name="Node Identity 1">CN=aslxub34az, OU=NIFI</property> <property name="Node Identity 2">CN=aslxub35az, OU=NIFI</property> <property name="Node Identity 3">CN=aslxub36az, OU=NIFI</property> <property name="Node Identity 4">CN=aslxub37az, OU=NIFI</property> <property name="Node Identity 5">CN=aslxub38az, OU=NIFI</property> </accessPolicyProvider> <authorizer> <identifier>file-provider</identifier> <class>org.apache.nifi.authorization.StandardManagedAuthorizer</class> <property name="Access Policy Provider">file-access-policy-provider</property> </authorizer> </authorizers> this is login-identity-provider.xml <provider> <identifier>ldap-provider</identifier> <class>org.apache.nifi.ldap.LdapProvider</class> <property name="Authentication Strategy">SIMPLE</property> <property name="Manager DN">CN=nifi_user,CN=Users,DC=br,DC=xxxxx</property> <property name="Manager Password">xxxxx@10</property> <property name="Referral Strategy">FOLLOW</property> <property name="Connect Timeout">10 secs</property> <property name="Read Timeout">10 secs</property> <property name="Url">ldap://xxx.xx.xx.xx</property> <property name="User Search Base">DC=br,DC=xxxxx</property> <property name="User Search Filter">sAMAccountName={0}</property> <property name="Identity Strategy">USE_USERNAME</property> <property name="Authentication Expiration">12 hours</property> </provider> ... View more