diff --git a/brokerserver.js b/brokerserver.js
index 6b38340..92d58f4 100644
--- a/brokerserver.js
+++ b/brokerserver.js
@@ -12,7 +12,7 @@ var config = common.getConfigurations();
 var broker = new Broker(config);
 var log = common.getLogger(common.LOG_CONSTANTS.BROKER);
 
-msRestRequest.init(config.azure);
+msRestRequest.init(config.azure, common.getISVTrackingGUID());
 
 // Brokers listen for '<operation>-<serviceId>' ex: 'poll-fb9bc99e-0aa9-11e6-8a8a-000d3a002ed5'
 var addListeners = function(serviceId, serviceModule) {
diff --git a/lib/common/index.js b/lib/common/index.js
index 124675b..b5d625f 100644
--- a/lib/common/index.js
+++ b/lib/common/index.js
@@ -119,6 +119,10 @@ var validateConfigurations = function() {
   });
 };
 
+module.exports.getISVTrackingGUID = function() {
+  return process.env['ISV_TRACKING_GUID'];
+};
+
 module.exports.getConfigurations = function() {
   validateConfigurations();
 
diff --git a/lib/common/msRestRequest.js b/lib/common/msRestRequest.js
index 860f619..d691b72 100644
--- a/lib/common/msRestRequest.js
+++ b/lib/common/msRestRequest.js
@@ -14,9 +14,19 @@ var DEFAULT_RETRY_INTERVAL = 3000; //ms
 
 var AZURE_RETRY_ERROR_CODES = [408, 429, 500, 502, 503, 504];
 
-exports.init = function(azureProperties) {
+var DEFAULT_ISV_TRACKING_GUID = '563bbbca-7944-4791-b9c6-8af0928114ac';
+
+var ISVTrackingGUID;
+
+exports.init = function(azureProperties, _ISVTrackingGUID) {
   var environmentName = azureProperties.environment;
   var environment = common.getEnvironment(environmentName);
+  
+  if (_ISVTrackingGUID !== undefined && _ISVTrackingGUID !== '') {
+    ISVTrackingGUID = _ISVTrackingGUID;
+  } else {
+    ISVTrackingGUID = DEFAULT_ISV_TRACKING_GUID;
+  }
 
   Token.init(environment, azureProperties, common.API_VERSION[environmentName]['AZURE_ACTIVE_DIRECTORY']);
 };
@@ -26,6 +36,7 @@ function msRestRequest(url, qs, method, headers, data, callback) {
   var tokenExpired = false;
 
   _.extend(headers, {'Authorization': ''});
+  _.extend(headers, {'User-Agent': 'pid-' + ISVTrackingGUID});
   var requestObject = { url: url, qs: qs, method: method, headers: headers};
 
   if (data) {
diff --git a/pcf-tile/tile.yml b/pcf-tile/tile.yml
index 2bb9408..dcfb902 100644
--- a/pcf-tile/tile.yml
+++ b/pcf-tile/tile.yml
@@ -309,6 +309,11 @@ forms:
         "userRoles": ["db_owner"]
       }
     label: Default Parameters of Azure SQL Database Failover Group service
+  - name: isv_tracking_guid
+    configurable: false
+    type: string
+    label: ISV Tracking GUID
+    default: f09bfe12-4077-4c05-8801-5038e052f399
 
 # Add any dependencies your tile has on other installed products.
 # This is often appropriate when using automatic service provisioning