diff --git a/.bin/Scripts/functions/data.py b/.bin/Scripts/functions/data.py
index 8cb1783f..e2e76d7c 100644
--- a/.bin/Scripts/functions/data.py
+++ b/.bin/Scripts/functions/data.py
@@ -239,7 +239,7 @@ def mount_all_volumes():
         line.append(info)
     return report
 
-def mount_backup_shares():
+def mount_backup_shares(read_write=False):
     """Mount the backup shares unless labeled as already mounted."""
     if psutil.LINUX:
         mounted_data = get_mounted_data()
@@ -258,12 +258,22 @@ def mount_backup_shares():
             print_warning(mounted_str)
             continue
         
-        mount_network_share(server)
+        mount_network_share(server, read_write)
 
-def mount_network_share(server):
+def mount_network_share(server, read_write=False):
     """Mount a network share defined by server."""
+    if read_write:
+        username = server['RW-User']
+        password = server['RW-Pass']
+    else:
+        username = server['User']
+        password = server['Pass']
     if psutil.WINDOWS:
-        cmd = r'net use \\{IP}\{Share} /user:{User} {Pass}'.format(**server)
+        cmd = r'net use \\{ip}\{share} /user:{username} {password}'.format(
+            ip = server['IP'],
+            share = server['Share'],
+            username = username,
+            password = password)
         cmd = cmd.split(' ')
         warning = r'Failed to mount \\{Name}\{Share}, {IP} unreachable.'.format(
             **server)
@@ -278,7 +288,10 @@ def mount_network_share(server):
             'sudo', 'mount',
             '//{IP}/{Share}'.format(**server),
             '/Backups/{Name}'.format(**server),
-            '-o', 'username={User},password={Pass}'.format(**server)]
+            '-o', '{}username={},password={}'.format(
+                '' if read_write else 'ro,',
+                username,
+                password)]
         warning = 'Failed to mount /Backups/{Name}, {IP} unreachable.'.format(
             **server)
         error = 'Failed to mount /Backups/{Name}'.format(**server)
@@ -514,7 +527,7 @@ def select_source(ticket_number):
     local_sources = []
     remote_sources = []
     sources = []
-    mount_backup_shares()
+    mount_backup_shares(read_write=False)
 
     # Check for ticket folders on servers
     for server in BACKUP_SERVERS:
diff --git a/.bin/Scripts/functions/windows_setup.py b/.bin/Scripts/functions/windows_setup.py
index 5519e7cc..9efa0123 100644
--- a/.bin/Scripts/functions/windows_setup.py
+++ b/.bin/Scripts/functions/windows_setup.py
@@ -154,9 +154,12 @@ def format_mbr(disk):
     run_diskpart(script)
 
 def mount_windows_share():
-    """Mount the  Windows images share unless labeled as already mounted."""
+    """Mount the Windows images share unless labeled as already mounted."""
     if not WINDOWS_SERVER['Mounted']:
-        mount_network_share(WINDOWS_SERVER)
+        # Mounting read-write in case a backup was done in the same session
+        # and the server was left mounted read-write. This avoids throwing an
+        # error by trying to mount the same server with multiple credentials.
+        mount_network_share(WINDOWS_SERVER, read_write=True)
 
 def select_windows_version():
     actions = [
diff --git a/.bin/Scripts/functions/winpe_menus.py b/.bin/Scripts/functions/winpe_menus.py
index 1b8a546e..99bc3f8f 100644
--- a/.bin/Scripts/functions/winpe_menus.py
+++ b/.bin/Scripts/functions/winpe_menus.py
@@ -80,7 +80,7 @@ def menu_backup():
     ticket_number = get_ticket_number()
 
     # Mount backup shares
-    mount_backup_shares()
+    mount_backup_shares(read_write=True)
 
     # Select destination
     destination = select_backup_destination(auto_select=False)
diff --git a/.bin/Scripts/settings/main.py b/.bin/Scripts/settings/main.py
index 24ae4ebc..86b0fcee 100644
--- a/.bin/Scripts/settings/main.py
+++ b/.bin/Scripts/settings/main.py
@@ -35,6 +35,8 @@ BACKUP_SERVERS = [
         'Share':    'Backups',
         'User':     'restore',
         'Pass':     'Abracadabra',
+        'RW-User':  'backup',
+        'RW-Pass':  'Abracadabra',
     },
     {   'IP':       '10.0.0.11',
         'Name':     'ServerTwo',
@@ -42,6 +44,8 @@ BACKUP_SERVERS = [
         'Share':    'Backups',
         'User':     'restore',
         'Pass':     'Abracadabra',
+        'RW-User':  'backup',
+        'RW-Pass':  'Abracadabra',
     },
 ]
 CRASH_SERVER = {
@@ -57,6 +61,8 @@ OFFICE_SERVER = {
     'Share':        'Office',
     'User':         'restore',
     'Pass':         'Abracadabra',
+    'RW-User':      'backup',
+    'RW-Pass':      'Abracadabra',
 }
 QUICKBOOKS_SERVER = {
     'IP':           QUICKBOOKS_SERVER_IP,
@@ -65,6 +71,8 @@ QUICKBOOKS_SERVER = {
     'Share':        'QuickBooks',
     'User':         'restore',
     'Pass':         'Abracadabra',
+    'RW-User':      'backup',
+    'RW-Pass':      'Abracadabra',
 }
 WINDOWS_SERVER = {
     'IP':           '10.0.0.10',
@@ -73,6 +81,8 @@ WINDOWS_SERVER = {
     'Share':        'Windows',
     'User':         'restore',
     'Pass':         'Abracadabra',
+    'RW-User':      'backup',
+    'RW-Pass':      'Abracadabra',
 }
 
 if __name__ == '__main__':