diff --git a/confluent_server/confluent/firmwaremanager.py b/confluent_server/confluent/firmwaremanager.py
index 11c73ffc..33f14a80 100644
--- a/confluent_server/confluent/firmwaremanager.py
+++ b/confluent_server/confluent/firmwaremanager.py
@@ -22,6 +22,7 @@ import confluent.exceptions as exc
 import confluent.log as log
 import confluent.messages as msg
 import eventlet
+import io
 import os
 import pwd
 import socket
@@ -32,63 +33,71 @@ uploadsbytarget = {}
 downloadsbytarget = {}
 updatepool = eventlet.greenpool.GreenPool(256)
 _tracelog = None
-filecontentbyname = {}
+sharedfiles = {}
 
 
 def execupdate(handler, filename, updateobj, type, owner, node, datfile):
     global _tracelog
-    if type != 'ffdc' and not datfile:
-        errstr = False
-        if not os.path.exists(filename):
-            errstr =  '{0} does not appear to exist on {1}, or is in a directory with permissions forbidding confluent user/group access'.format(
-                filename, socket.gethostname())
-        elif not os.access(filename, os.R_OK):
-            errstr =  '{0} is not readable by confluent on {1} (ensure confluent user or group can access file and parent directories)'.format(
-                filename, socket.gethostname())
-        if errstr:
-            updateobj.handle_progress({'phase': 'error', 'progress': 0.0,
-                                    'detail': errstr})
-            return
-    if type == 'ffdc' and os.path.isdir(filename):
-        filename += '/' + node
-    if 'type' == 'ffdc':
-        errstr = False
-        if os.path.exists(filename):
-            errstr = '{0} already exists on {1}, cannot overwrite'.format(
-                filename, socket.gethostname())
-        elif not os.access(os.path.dirname(filename), os.W_OK):
-            errstr = '{0} directory not writable by confluent user/group on {1}, check the directory and parent directory ownership and permissions'.format(filename, socket.gethostname())
-        if errstr:
-            updateobj.handle_progress({'phase': 'error', 'progress': 0.0,
-                                    'detail': errstr})
-            return
     try:
-        if type == 'firmware':
-            completion = handler(filename, progress=updateobj.handle_progress,
-                                 data=datfile, bank=updateobj.bank)
-        else:
-            completion = handler(filename, progress=updateobj.handle_progress,
-                                 data=datfile)
-        if type == 'ffdc' and completion:
-            filename = completion
-            completion = None
-        if completion is None:
-            completion = 'complete'
-        if owner:
-            pwent = pwd.getpwnam(owner)
-            os.chown(filename, pwent.pw_uid, pwent.pw_gid)
-        updateobj.handle_progress({'phase': completion, 'progress': 100.0})
-    except exc.PubkeyInvalid as pi:
-        errstr = 'Certificate mismatch detected, does not match value in ' \
-                 'attribute {0}'.format(pi.attrname)
-        updateobj.handle_progress({'phase': 'error', 'progress': 0.0,
-                                   'detail': errstr})
-    except Exception as e:
-        if _tracelog is None:
-            _tracelog = log.Logger('trace')
-        _tracelog.log(traceback.format_exc(), ltype=log.DataTypes.event, event=log.Events.stacktrace)
-        updateobj.handle_progress({'phase': 'error', 'progress': 0.0,
-                                   'detail': str(e)})
+        if type != 'ffdc' and not datfile:
+            errstr = False
+            if not os.path.exists(filename):
+                errstr =  '{0} does not appear to exist on {1}, or is in a directory with permissions forbidding confluent user/group access'.format(
+                    filename, socket.gethostname())
+            elif not os.access(filename, os.R_OK):
+                errstr =  '{0} is not readable by confluent on {1} (ensure confluent user or group can access file and parent directories)'.format(
+                    filename, socket.gethostname())
+            if errstr:
+                updateobj.handle_progress({'phase': 'error', 'progress': 0.0,
+                                        'detail': errstr})
+                return
+        if type == 'ffdc' and os.path.isdir(filename):
+            filename += '/' + node
+        if 'type' == 'ffdc':
+            errstr = False
+            if os.path.exists(filename):
+                errstr = '{0} already exists on {1}, cannot overwrite'.format(
+                    filename, socket.gethostname())
+            elif not os.access(os.path.dirname(filename), os.W_OK):
+                errstr = '{0} directory not writable by confluent user/group on {1}, check the directory and parent directory ownership and permissions'.format(filename, socket.gethostname())
+            if errstr:
+                updateobj.handle_progress({'phase': 'error', 'progress': 0.0,
+                                        'detail': errstr})
+                return
+        try:
+            if type == 'firmware':
+                completion = handler(filename, progress=updateobj.handle_progress,
+                                    data=datfile, bank=updateobj.bank)
+            else:
+                completion = handler(filename, progress=updateobj.handle_progress,
+                                    data=datfile)
+            if type == 'ffdc' and completion:
+                filename = completion
+                completion = None
+            if completion is None:
+                completion = 'complete'
+            if owner:
+                pwent = pwd.getpwnam(owner)
+                os.chown(filename, pwent.pw_uid, pwent.pw_gid)
+            updateobj.handle_progress({'phase': completion, 'progress': 100.0})
+        except exc.PubkeyInvalid as pi:
+            errstr = 'Certificate mismatch detected, does not match value in ' \
+                    'attribute {0}'.format(pi.attrname)
+            updateobj.handle_progress({'phase': 'error', 'progress': 0.0,
+                                    'detail': errstr})
+        except Exception as e:
+            if _tracelog is None:
+                _tracelog = log.Logger('trace')
+            _tracelog.log(traceback.format_exc(), ltype=log.DataTypes.event, event=log.Events.stacktrace)
+            updateobj.handle_progress({'phase': 'error', 'progress': 0.0,
+                                    'detail': str(e)})
+    finally:
+        if filename in sharedfiles:
+            if sharedfiles[filename][0] == 1:
+                del sharedfiles[filename]
+            else:
+                sharedfiles[filename][0] -= 1
+
 
 class Updater(object):
     def __init__(self, node, handler, filename, tenant=None, name=None,
@@ -99,8 +108,14 @@ class Updater(object):
         self.detail = ''
         self.percent = 0.0
         if configmanager and filename in configmanager.clientfiles:
-            cf = configmanager.clientfiles[filename]
-            datfile = os.fdopen(os.dup(cf.fileno()), cf.mode)
+            if filename in sharedfiles:
+                sharedfiles[filename][0] += 1
+            else:
+                cf = configmanager.clientfiles[filename]
+                datfile = os.fdopen(os.dup(cf.fileno()), cf.mode)
+                sharedfiles[filename] = [1, datfile.read()]
+                datfile.close()
+            datfile = io.BytesIO(sharedfiles[filename][1])
         else:
             datfile = None
         self.datfile = datfile