diff --git a/test/mocks/mass-pnf-sim/MassPnfSim.py b/test/mocks/mass-pnf-sim/MassPnfSim.py
index 43e3894..4907755 100755
--- a/test/mocks/mass-pnf-sim/MassPnfSim.py
+++ b/test/mocks/mass-pnf-sim/MassPnfSim.py
@@ -4,7 +4,7 @@
 import argparse
 import ipaddress
 from sys import exit
-from os import chdir, getcwd, path, popen, kill, getuid, stat, mkdir, getlogin
+from os import chdir, getcwd, path, popen, kill, getuid, stat, mkdir, getlogin, chmod
 from shutil import copytree, rmtree, move
 from json import loads, dumps
 from yaml import load, SafeLoader, dump
@@ -50,6 +50,8 @@
                                   type=validate_ip, metavar='IP', required=True)
     parser_bootstrap.add_argument('--typefileserver', help='Type of the file server (SFTP/FTPS) to be included in the VES event',
                                   type=str, choices=['sftp', 'ftps'], required=True)
+    parser_bootstrap.add_argument('--user', help='File server username', type=str, metavar='USERNAME', required=True)
+    parser_bootstrap.add_argument('--password', help='File server password', type=str, metavar='PASSWORD', required=True)
     parser_bootstrap.add_argument('--ipstart', help='IP address range beginning', type=validate_ip, metavar='IP', required=True)
     # Start command parser
     parser_start = subparsers.add_parser('start', help='Start instances')
@@ -85,6 +87,8 @@
     sim_compose_template = 'docker-compose-template.yml'
     sim_vsftpd_template = 'config/vsftpd_ssl-TEMPLATE.conf'
     sim_vsftpd_config = 'config/vsftpd_ssl.conf'
+    sim_sftp_script = 'fix-sftp-perms.sh'
+    sim_sftp_script_template = 'fix-sftp-perms-template.sh'
     sim_config = 'config/config.yml'
     sim_msg_config = 'config/config.json'
     sim_port = 5000
@@ -198,8 +202,8 @@
         '''Writes a yaml formatted configuration file for Java simulator app'''
         yml = {}
         yml['urlves'] = self.args.urlves
-        yml['urlsftp'] = f'sftp://onap:pano@{self.args.ipfileserver}:{port_sftp}'
-        yml['urlftps'] = f'ftps://onap:pano@{self.args.ipfileserver}:{port_ftps}'
+        yml['urlsftp'] = f'sftp://{self.args.user}:{self.args.password}@{self.args.ipfileserver}:{port_sftp}'
+        yml['urlftps'] = f'ftps://{self.args.user}:{self.args.password}@{self.args.ipfileserver}:{port_ftps}'
         yml['ippnfsim'] = pnf_sim_ip
         yml['typefileserver'] = self.args.typefileserver
         self.logger.debug(f'Generated simulator config:\n{dump(yml)}')
@@ -269,13 +273,19 @@
                                        IPFTPS = ip['ftps'], IPSFTP = ip['sftp'],
                                        FTPS_PASV_MIN = str(ftps_pasv_port_start),
                                        FTPS_PASV_MAX = str(ftps_pasv_port_end),
-                                       TIMEZONE = tzname[daylight])
+                                       TIMEZONE = tzname[daylight],
+                                       FILESERV_USER = self.args.user,
+                                       FILESERV_PASS = self.args.password)
             # generate vsftpd config file for the simulator instance
             self._generate_config_file(self.sim_vsftpd_template, self.sim_vsftpd_config,
                                        I = i, USER = getlogin(),
                                        FTPS_PASV_MIN = str(ftps_pasv_port_start),
                                        FTPS_PASV_MAX = str(ftps_pasv_port_end),
                                        IPFILESERVER = str(self.args.ipfileserver))
+            # generate sftp permission fix script
+            self._generate_config_file(self.sim_sftp_script_template, self.sim_sftp_script,
+                                       I = i, FILESERV_USER = self.args.user)
+            chmod(f'{self.sim_dirname_pattern}{i}/{self.sim_sftp_script}', 0o755)
             # Run the 3GPP measurements file generator
             self._run_cmd(f'./ROP_file_creator.sh {i} &', f"{self.sim_dirname_pattern}{i}")
 
diff --git a/test/mocks/mass-pnf-sim/conftest.py b/test/mocks/mass-pnf-sim/conftest.py
index 0665810..e6ee056 100644
--- a/test/mocks/mass-pnf-sim/conftest.py
+++ b/test/mocks/mass-pnf-sim/conftest.py
@@ -12,7 +12,8 @@
     return parser.parse_args(['bootstrap', '--count', str(SIM_INSTANCES),
                              '--urlves', URLVES, '--ipfileserver', IPFILESERVER,
                              '--typefileserver', TYPEFILESERVER, '--ipstart',
-                             IPSTART])
+                             IPSTART, '--user', FILESERVER_USER, '--password',
+                             FILESERVER_PASSWORD])
 
 @pytest.fixture(scope="module")
 def args_start(parser):
diff --git a/test/mocks/mass-pnf-sim/pnf-sim-lightweight/docker-compose-template.yml b/test/mocks/mass-pnf-sim/pnf-sim-lightweight/docker-compose-template.yml
index 5a1bdac..8a59a11 100644
--- a/test/mocks/mass-pnf-sim/pnf-sim-lightweight/docker-compose-template.yml
+++ b/test/mocks/mass-pnf-sim/pnf-sim-lightweight/docker-compose-template.yml
@@ -34,10 +34,10 @@
     ports:
       - "${PORTSFTP}:22"
     volumes:
-      - ./files/onap/:/home/onap/
+      - ./files/onap/:/home/${FILESERV_USER}/
       - ./fix-sftp-perms.sh:/etc/sftp.d/fix-sftp-perms.sh
     restart: on-failure
-    command: onap:pano:1001
+    command: ${FILESERV_USER}:${FILESERV_PASS}:1001
 
   ftpes-server-vsftpd-${I}:
     container_name: ftpes-server-vsftpd-${I}
@@ -49,8 +49,8 @@
       - "${PORTFTPS}:21"
       - "${FTPS_PASV_MIN}-${FTPS_PASV_MAX}:${FTPS_PASV_MIN}-${FTPS_PASV_MAX}"
     environment:
-      FTP_USER: onap
-      FTP_PASSWORD: pano
+      FTP_USER: ${FILESERV_USER}
+      FTP_PASSWORD: ${FILESERV_PASS}
       PASV_ADDRESS: localhost
       PASV_MIN_PORT: ${FTPS_PASV_MIN}
       PASV_MAX_PORT: ${FTPS_PASV_MAX}
diff --git a/test/mocks/mass-pnf-sim/pnf-sim-lightweight/fix-sftp-perms-template.sh b/test/mocks/mass-pnf-sim/pnf-sim-lightweight/fix-sftp-perms-template.sh
new file mode 100755
index 0000000..52e69b7
--- /dev/null
+++ b/test/mocks/mass-pnf-sim/pnf-sim-lightweight/fix-sftp-perms-template.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+chmod o+w /home/${FILESERV_USER}
diff --git a/test/mocks/mass-pnf-sim/pnf-sim-lightweight/fix-sftp-perms.sh b/test/mocks/mass-pnf-sim/pnf-sim-lightweight/fix-sftp-perms.sh
deleted file mode 100755
index b9f4dae..0000000
--- a/test/mocks/mass-pnf-sim/pnf-sim-lightweight/fix-sftp-perms.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-#!/bin/bash
-chmod o+w /home/onap
diff --git a/test/mocks/mass-pnf-sim/test_cli.py b/test/mocks/mass-pnf-sim/test_cli.py
index 3e4a60e..70c9b6c 100644
--- a/test/mocks/mass-pnf-sim/test_cli.py
+++ b/test/mocks/mass-pnf-sim/test_cli.py
@@ -3,7 +3,8 @@
 from test_settings import SIM_INSTANCES
 
 @pytest.mark.parametrize(('expect_string, cli_opts'), [
-    ("bootstrap: error: the following arguments are required: --urlves, --ipfileserver, --typefileserver, --ipstart",
+    ("bootstrap: error: the following arguments are required: --urlves, --ipfileserver, --typefileserver, " +\
+     "--user, --password, --ipstart",
      ['bootstrap']),
     ("bootstrap: error: argument --typefileserver: invalid choice: 'dummy' (choose from 'sftp', 'ftps')",
      ['bootstrap', '--typefileserver', 'dummy']),
diff --git a/test/mocks/mass-pnf-sim/test_lifecycle.py b/test/mocks/mass-pnf-sim/test_lifecycle.py
index dcd89c4..d98ea48 100644
--- a/test/mocks/mass-pnf-sim/test_lifecycle.py
+++ b/test/mocks/mass-pnf-sim/test_lifecycle.py
@@ -54,8 +54,8 @@
             yml = load(f, Loader=SafeLoader)
         assert URLVES == yml['urlves']
         assert TYPEFILESERVER == yml['typefileserver']
-        assert f'sftp://onap:pano@{IPFILESERVER}:{start_port + 1}' in yml['urlsftp']
-        assert f'ftps://onap:pano@{IPFILESERVER}:{start_port + 2}' in yml['urlftps']
+        assert f'sftp://{FILESERVER_USER}:{FILESERVER_PASSWORD}@{IPFILESERVER}:{start_port + 1}' in yml['urlsftp']
+        assert f'ftps://{FILESERVER_USER}:{FILESERVER_PASSWORD}@{IPFILESERVER}:{start_port + 2}' in yml['urlftps']
         assert str(ip_address(IPSTART) + ip_offset + instance_ip_offset) == yml['ippnfsim']
         start_port += 2
         print(yml['ippnfsim'])
diff --git a/test/mocks/mass-pnf-sim/test_settings.py b/test/mocks/mass-pnf-sim/test_settings.py
index a16046c..c8c2353 100644
--- a/test/mocks/mass-pnf-sim/test_settings.py
+++ b/test/mocks/mass-pnf-sim/test_settings.py
@@ -2,6 +2,8 @@
 URLVES = 'http://127.0.0.1:10000/eventListener/v7'
 IPFILESERVER = '127.0.0.1'
 TYPEFILESERVER = 'sftp'
+FILESERVER_USER = 'testuser'
+FILESERVER_PASSWORD = 'testpassword'
 IPSTART = '10.11.0.1'
 INSTANCE_CONFIG = 'config/config.yml'
 PNF_SIM_CONTAINER_NAME = 'pnf-simulator-'