diff --git a/oam/cloud/IDBInstanceCmds.sh b/oam/cloud/IDBInstanceCmds.sh
index 51c5acbff..7a12520da 100644
--- a/oam/cloud/IDBInstanceCmds.sh
+++ b/oam/cloud/IDBInstanceCmds.sh
@@ -8,7 +8,7 @@ prefix=/usr/local
 
 #check command
 if [ "$1" = "" ]; then
-	echo "Enter Command Name: {launchInstance|getInstance|getZone|getPrivateIP|getKey|getAMI|getType|terminateInstance|startInstance|assignElasticIP|deassignElasticIP|getProfile|stopInstance|getGroup}
+	echo "Enter Command Name: {launchInstance|getInstance|getZone|getPrivateIP|getKey|getAMI|getType|terminateInstance|startInstance|assignElasticIP|deassignElasticIP|getProfile|stopInstance|getGroup|getSubnet}
 }"
 	exit 1
 fi
@@ -479,6 +479,21 @@ deassignElasticIP() {
 	exit 0
 }
 
+getSubnet() {
+        #get local Instance ID
+        getInstancePrivate >/dev/null 2>&1
+        #get Subnet
+        subnet=`cat $describeInstanceFile | grep -m 1 $instance |  awk '{gsub(/^[ \t]+|[ \t]+$/,"");print $16}'`
+        if [ "$subnet" == "" ]; then
+                describeInstance
+        fi
+        subnet=`cat $describeInstanceFile | grep -m 1 $instance |  awk '{gsub(/^[ \t]+|[ \t]+$/,"");print $16}'`
+
+        echo $subnet
+        return
+}
+
+
 case "$1" in
   getInstance)
   	getInstance
@@ -525,8 +540,11 @@ case "$1" in
   getGroup)
   	getGroup
 	;;
+  getSubnet)
+  	getSubnet
+	;;
   *)
-	echo $"Usage: $0 {launchInstance|getInstance|getZone|getPrivateIP|getType|getKey|getAMI|getType|terminateInstance|startInstance|assignElasticIP|deassignElasticIP|getProfile|stopInstance|getGroup}"
+	echo $"Usage: $0 {launchInstance|getInstance|getZone|getPrivateIP|getType|getKey|getAMI|getType|terminateInstance|startInstance|assignElasticIP|deassignElasticIP|getProfile|stopInstance|getGroup|getSubnet}"
 	exit 1
 esac
 
diff --git a/oam/oamcpp/liboamcpp.cpp b/oam/oamcpp/liboamcpp.cpp
index fa9e7cdd4..592ecbf41 100644
--- a/oam/oamcpp/liboamcpp.cpp
+++ b/oam/oamcpp/liboamcpp.cpp
@@ -7631,6 +7631,38 @@ namespace oam
 
 	}
 
+    /***************************************************************************
+     *
+     * Function:  getEC2LocalInstanceSubnet
+     *
+     * Purpose:   Get Amazon EC2 local Instance Subnet
+     *
+     ****************************************************************************/
+
+    	std::string Oam::getEC2LocalInstanceSubnet(std::string name)
+	{
+		// run script to get Instance Subnet
+		string cmd = InstallDir + "/bin/IDBInstanceCmds.sh Subnet  > /tmp/getInstanceSubnet_" + name;
+		int status = system(cmd.c_str());
+		if (WEXITSTATUS(status) != 0 )
+			return "failed";
+
+		// get Instance Name
+		string instanceSubnet;
+		string file = "/tmp/getInstanceSubnet_" + name;
+		ifstream oldFile (file.c_str());
+		char line[400];
+		while (oldFile.getline(line, 400))
+		{
+			instanceSubnet = line;
+		}
+		oldFile.close();
+
+		return instanceSubnet;
+
+	}
+
+
     /***************************************************************************
      *
      * Function:  launchEC2Instance
diff --git a/oam/oamcpp/liboamcpp.h b/oam/oamcpp/liboamcpp.h
index 66d8207ce..9d6cd4805 100644
--- a/oam/oamcpp/liboamcpp.h
+++ b/oam/oamcpp/liboamcpp.h
@@ -2325,6 +2325,10 @@ namespace oam
              */
             EXPORT std::string getEC2LocalInstanceType(std::string name = "dummy");
 
+            /** @brief getEC2LocalInstanceSubnet
+             */
+            EXPORT std::string getEC2LocalInstanceSubnet(std::string name = "dummy");
+
             /** @brief launchEC2Instance
              */
             EXPORT std::string launchEC2Instance(const std::string name = "dummy", const std::string IPAddress = oam::UnassignedName, const std::string type = oam::UnassignedName, const std::string group = oam::UnassignedName);
diff --git a/oamapps/calpontConsole/calpontConsole.cpp b/oamapps/calpontConsole/calpontConsole.cpp
index f9743f673..467420c7f 100644
--- a/oamapps/calpontConsole/calpontConsole.cpp
+++ b/oamapps/calpontConsole/calpontConsole.cpp
@@ -4883,11 +4883,11 @@ int processCommand(string* arguments)
 			string GlusterStorageType;
 			string AmazonVPCNextPrivateIP;
 			try {
+				oam.getSystemConfig("Cloud", cloud);
+				oam.getSystemConfig("AmazonVPCNextPrivateIP", AmazonVPCNextPrivateIP);
 				oam.getSystemConfig("GlusterConfig", GlusterConfig);
 				oam.getSystemConfig("GlusterCopies", GlusterCopies);
-				oam.getSystemConfig("Cloud", cloud);
 				oam.getSystemConfig("GlusterStorageType", GlusterStorageType);
-				oam.getSystemConfig("AmazonVPCNextPrivateIP", AmazonVPCNextPrivateIP);
 			}
 			catch(...) {}
 
diff --git a/oamapps/postConfigure/postConfigure.cpp b/oamapps/postConfigure/postConfigure.cpp
index 69a4b855c..b3bae26e9 100644
--- a/oamapps/postConfigure/postConfigure.cpp
+++ b/oamapps/postConfigure/postConfigure.cpp
@@ -668,7 +668,14 @@ int main(int argc, char *argv[])
 				}
 				catch(...)
 				{}
-			}
+
+				if ( amazonSubNet == oam::UnassignedName || amazonSubNet == "" )
+				{
+					amazonSubNet = oam.getEC2LocalInstanceSubnet();
+					if ( amazonSubNet == "failed" || amazonSubNet == "" )
+						amazonSubNet == oam::UnassignedName;
+				}
+			}	
 		}
 	}
 
@@ -964,13 +971,16 @@ int main(int argc, char *argv[])
 					amazonVPC = true;
 					cloud = "amazon-vpc";
 
-					prompt = "Enter VPC SubNet ID (" + amazonSubNet + ") > ";
-					pcommand = callReadline(prompt.c_str());
-					if (pcommand) {
-						if (strlen(pcommand) > 0) amazonSubNet = pcommand;
-						callFree(pcommand);
+					if ( amazonSubNet == oam::UnassignedName )
+					{
+						prompt = "Enter VPC SubNet ID (" + amazonSubNet + ") > ";
+						pcommand = callReadline(prompt.c_str());
+						if (pcommand) {
+							if (strlen(pcommand) > 0) amazonSubNet = pcommand;
+							callFree(pcommand);
+						}
 					}
-
+	
 					//set subnetID
 					try {
 						sysConfig->setConfig(InstallSection, "AmazonSubNetID", amazonSubNet);
@@ -3521,7 +3531,7 @@ int main(int argc, char *argv[])
 		cout << ". " + installDir + "/bin/calpontAlias" << endl << endl;
 
 		cout << "Enter 'idbmysql' to access the InfiniDB MySQL console" << endl;
-		cout << "Enter 'cc' to access the InfiniDB OAM console" << endl << endl;
+		cout << "Enter 'cc' to access the InfiniDB System Management console" << endl << endl;
 	}
 	else
 	{