diff --git a/oam/etc/Columnstore.xml b/oam/etc/Columnstore.xml
index 3729f2593..f9ecbc116 100644
--- a/oam/etc/Columnstore.xml
+++ b/oam/etc/Columnstore.xml
@@ -443,10 +443,6 @@
 		<SystemLogConfigFile>unassigned</SystemLogConfigFile>
 		<rpw>mariadb1</rpw>
 		<Cloud>unassigned</Cloud>
-		<AmazonAccessKey>unassigned</AmazonAccessKey>
-		<AmazonSecretKey>unassigned</AmazonSecretKey>
-		<AmazonZone>unassigned</AmazonZone>
-		<AmazonSubNetID>unassigned</AmazonSubNetID>
 		<AmazonVPCNextPrivateIP>autoassign</AmazonVPCNextPrivateIP>
 		<UMInstanceType>unassigned</UMInstanceType>
 		<UMSecurityGroup>unassigned</UMSecurityGroup>
@@ -466,8 +462,6 @@
 		<GlusterCopies>0</GlusterCopies>
 		<GlusterStorageType>unassigned</GlusterStorageType>
 		<CoreFileFlag>n</CoreFileFlag>
-		<JavaHome>unassigned</JavaHome>
-		<JavaPath>unassigned</JavaPath>
 		<MySQLPort>3306</MySQLPort>
 		<MySQLPasswordConfig>unassigned</MySQLPasswordConfig>
 		<AmazonDeviceName>/dev/xvd</AmazonDeviceName>
diff --git a/oamapps/mcsadmin/mcsadmin.cpp b/oamapps/mcsadmin/mcsadmin.cpp
index d4ceeb76c..b5100265e 100644
--- a/oamapps/mcsadmin/mcsadmin.cpp
+++ b/oamapps/mcsadmin/mcsadmin.cpp
@@ -4863,16 +4863,6 @@ int processCommand(string* arguments)
 				}
 				catch(...) {}
 
-				if ( cloud == "amazon-vpc" )
-				{
-					string AmazonSubNetID = oam::UnassignedName;
-					try{
-						oam.getSystemConfig("AmazonSubNetID", AmazonSubNetID);
-	
-						cout << "AmazonSubNetID = " << AmazonSubNetID << endl;
-					}
-					catch(...) {}
-				}
 			}
 
 			cout << endl;
diff --git a/oamapps/postConfigure/postConfigure.cpp b/oamapps/postConfigure/postConfigure.cpp
index efaa7c436..640c9fd03 100644
--- a/oamapps/postConfigure/postConfigure.cpp
+++ b/oamapps/postConfigure/postConfigure.cpp
@@ -153,7 +153,6 @@ bool thread_remote_installer = true;
 string singleServerInstall = "1";
 string reuseConfig ="n";
 string oldFileName;
-string AmazonRegion;
 string glusterCopies;
 string glusterInstalled = "n";
 string hadoopInstalled = "n";
@@ -833,7 +832,6 @@ int main(int argc, char *argv[])
 
 	//amazon install setup check
 	bool amazonInstall = false;
-	string amazonSubNet = oam::UnassignedName;
 	string cloud = oam::UnassignedName;
 	system("aws --version > /tmp/amazon.log 2>&1");
 
@@ -870,43 +868,41 @@ int main(int argc, char *argv[])
 			cout << "NOTE: Amazon AWS CLI Tools are installed and allow MariaDB ColumnStore to create Instances and ABS Volumes" << endl << endl;
 
 		    while(true) {
-			string enable = "y";
-			prompt = "Do you want to have ColumnStore use the Amazon AWS CLI Tools [y,n] (y) > ";
-			pcommand = callReadline(prompt.c_str());
+				string enable = "y";
+				prompt = "Do you want to have ColumnStore use the Amazon AWS CLI Tools [y,n] (y) > ";
+				pcommand = callReadline(prompt.c_str());
 
-			if (pcommand) {
-			    if (strlen(pcommand) > 0) enable = pcommand;
-				  callFree(pcommand);
+				if (pcommand) {
+			    	if (strlen(pcommand) > 0) enable = pcommand;
+				  		callFree(pcommand);
 			
-			    if (enable == "n") {
-				amazonInstall = false;
+			    	if (enable == "n") {
+						amazonInstall = false;
 
-				try {
-				  sysConfig->setConfig(InstallSection, "Cloud", "disable");
-				}
-				  catch(...)
-				{};
+						try {
+				  		sysConfig->setConfig(InstallSection, "Cloud", "disable");
+						}
+				  		catch(...)
+						{};
 
+						break;
+			    	}	
+				}	
+
+				if ( enable != "y" )
+				{
+			    	cout << "Invalid Entry, please enter 'y' for yes or 'n' for no" << endl;
+			    	if ( noPrompting )
+						exit(1);
+				}	
 				break;
-			    }
 			}
-
-			if ( enable != "y" )
-			{
-			    cout << "Invalid Entry, please enter 'y' for yes or 'n' for no" << endl;
-			    if ( noPrompting )
-				exit(1);
-			}
-			break;
-		    }
-		}
+		}	
 		else
 			cout << "NOTE: Configured to have ColumnStore use the Amazon AWS CLI Tools" << endl << endl;
 
 		if ( amazonInstall )
 		{
-			bool noKey = false;
-
 			string cmd = installDir + "/bin/MCSgetCredentials.sh >/dev/null 2>&1";
          	int rtnCode = system(cmd.c_str());
             	if ( WEXITSTATUS(rtnCode) != 0 ) {
@@ -921,55 +917,13 @@ int main(int argc, char *argv[])
 			exit(1);
 		}
 
-		sleep(1);
-
-		//get subnetID
-	    try {
-		      amazonSubNet = sysConfig->getConfig(InstallSection, "AmazonSubNetID");
-		}
-		catch(...)
-      	{}
-
-		if ( amazonSubNet == oam::UnassignedName )
-		{	
-			//check if this is a vpc system by checking for subnet setup
-			amazonSubNet = oam.getEC2LocalInstanceSubnet();
-			// cout << "amazonSubNet = " <<  amazonSubNet << endl;
-			if ( amazonSubNet == "failed" || amazonSubNet == "" )
-			{
-				amazonSubNet = oam::UnassignedName;
-				cloud = "amazon-ec2";
-			}
-			else
-			{
-				cloud = "amazon-vpc";
-			}
-
-			//set subnetID
-			try {
-				sysConfig->setConfig(InstallSection, "AmazonSubNetID", amazonSubNet);
-			}
-			catch(...)
-			{}
-		}
-		else
-			cloud = "amazon-vpc";
-
 		try {
-			sysConfig->setConfig(InstallSection, "Cloud", cloud);
+			sysConfig->setConfig(InstallSection, "Cloud", "amazon-vpc");
 		}
 		catch(...)
 		{}
 	}
-	else
-	{
-		try {
-			sysConfig->setConfig(InstallSection, "Cloud", oam::UnassignedName);
-		}
-		catch(...)
-		{}
-	}
-
+	
 	if ( pmwithum )
 		cout << endl << "NOTE: Local Query Feature is enabled" << endl;
 
@@ -993,6 +947,7 @@ int main(int argc, char *argv[])
 
 	cout << endl;
 
+	// prompt for system name
 	setSystemName();
 
 	cout << endl;
diff --git a/tools/configMgt/autoConfigure.cpp b/tools/configMgt/autoConfigure.cpp
index bb02d6d43..6dcc59487 100644
--- a/tools/configMgt/autoConfigure.cpp
+++ b/tools/configMgt/autoConfigure.cpp
@@ -147,20 +147,7 @@ int main(int argc, char *argv[])
 	{}
 
 	bool build40 = false;
-	if ( !CoreFileFlag.empty() )
-		build40 = true;
-
-	//build 4.0.1 flag
-	string AmazonSubNetID;
-	try {
-		AmazonSubNetID = sysConfigNew->getConfig(InstallSection, "AmazonSubNetID");
-	}
-	catch(...)
-	{}
-
-	bool build401 = false;
-	if ( !AmazonSubNetID.empty() )
-		build401 = true;
+	bool build401 = true;
 
 	//set install config flag
 	try {
@@ -1283,18 +1270,13 @@ int main(int argc, char *argv[])
 	// 
 	if (build3) {
 		//setup cloud parameters
-		string x509Cert;
-		string x509PriKey;
 		string UMStorageType;
-		string rpw;
 		string PMInstanceType;
 		string UMInstanceType;
 		string UMSecurityGroup;
 		string UMVolumeSize;
 		string PMVolumeSize;
 		string AmazonAutoTagging;
-		string AmazonRegion;
-		string AmazonZone;
 		string AmazonVPCNextPrivateIP;
 		string AmazonDeviceName;
 		string UMVolumeType;
@@ -1305,20 +1287,14 @@ int main(int argc, char *argv[])
 
 		try {
 			cloud = sysConfigOld->getConfig(InstallSection, "Cloud");
-			x509Cert = sysConfigOld->getConfig(InstallSection, "AmazonX509Certificate");
-			x509PriKey = sysConfigOld->getConfig(InstallSection, "AmazonX509PrivateKey");
 			UMStorageType = sysConfigOld->getConfig(InstallSection, "UMStorageType");
-			rpw = sysConfigOld->getConfig(InstallSection, "rpw");
 			PMInstanceType = sysConfigOld->getConfig(InstallSection, "PMInstanceType");
 			UMInstanceType = sysConfigOld->getConfig(InstallSection, "UMInstanceType");
 			UMSecurityGroup = sysConfigOld->getConfig(InstallSection, "UMSecurityGroup");
 			UMVolumeSize = sysConfigOld->getConfig(InstallSection, "UMVolumeSize");
 			PMVolumeSize = sysConfigOld->getConfig(InstallSection, "PMVolumeSize");
 			AmazonAutoTagging = sysConfigOld->getConfig(InstallSection, "AmazonAutoTagging");
-			AmazonRegion = sysConfigOld->getConfig(InstallSection, "AmazonRegion");
-			AmazonZone = sysConfigOld->getConfig(InstallSection, "AmazonZone");
 			AmazonVPCNextPrivateIP = sysConfigOld->getConfig(InstallSection, "AmazonVPCNextPrivateIP");
-			AmazonSubNetID = sysConfigOld->getConfig(InstallSection, "AmazonSubNetID");
 			AmazonDeviceName = sysConfigOld->getConfig(InstallSection, "AmazonDeviceName");
 			UMVolumeType = sysConfigOld->getConfig(InstallSection, "UMVolumeType");
 			UMVolumeIOPS = sysConfigOld->getConfig(InstallSection, "UMVolumeIOPS");
@@ -1355,13 +1331,10 @@ int main(int argc, char *argv[])
 				cloud = oam::UnassignedName;
 			if ( cloud == "amazon")
 				cloud = "amazon-ec2";
-			if ( AmazonSubNetID.empty() )
-				AmazonSubNetID = oam::UnassignedName;
 			if ( AmazonVPCNextPrivateIP.empty() )
 				AmazonVPCNextPrivateIP = oam::UnassignedName;
 
 			try {
-				sysConfigNew->setConfig(InstallSection, "AmazonSubNetID", AmazonSubNetID);
 				sysConfigNew->setConfig(InstallSection, "AmazonVPCNextPrivateIP", AmazonVPCNextPrivateIP);
 			}
 			catch(...)
@@ -1373,18 +1346,13 @@ int main(int argc, char *argv[])
 
 		try {
 			sysConfigNew->setConfig(InstallSection, "Cloud", cloud);
-			sysConfigNew->setConfig(InstallSection, "AmazonX509Certificate", x509Cert);
-			sysConfigNew->setConfig(InstallSection, "AmazonX509PrivateKey", x509PriKey);
 			sysConfigNew->setConfig(InstallSection, "UMStorageType", UMStorageType);
-			sysConfigNew->setConfig(InstallSection, "rpw", rpw);
 			sysConfigNew->setConfig(InstallSection, "PMInstanceType", PMInstanceType);
 			sysConfigNew->setConfig(InstallSection, "UMInstanceType", UMInstanceType);
 			sysConfigNew->setConfig(InstallSection, "UMSecurityGroup", UMSecurityGroup);
 			sysConfigNew->setConfig(InstallSection, "UMVolumeSize", UMVolumeSize);
 			sysConfigNew->setConfig(InstallSection, "PMVolumeSize", PMVolumeSize);
 			sysConfigNew->setConfig(InstallSection, "AmazonAutoTagging", AmazonAutoTagging);
-			sysConfigNew->setConfig(InstallSection, "AmazonRegion", AmazonRegion);
-			sysConfigNew->setConfig(InstallSection, "AmazonZone", AmazonZone);
 			sysConfigNew->setConfig(InstallSection, "AmazonDeviceName", AmazonDeviceName);
 
 			sysConfigNew->setConfig(InstallSection, "UMVolumeType", UMVolumeType);