diff --git a/src/modules/site/update/ee_mod_update_domain.sh b/src/modules/site/update/ee_mod_update_domain.sh
index f0d482d0..b63bd90a 100644
--- a/src/modules/site/update/ee_mod_update_domain.sh
+++ b/src/modules/site/update/ee_mod_update_domain.sh
@@ -4,9 +4,84 @@ function ee_mod_update_domain()
 {
 		# Creating $EE_DOMAIN
 		ee_lib_echo "Updating $EE_DOMAIN, please wait..."
-				
-		sed "s/example.com/$EE_DOMAIN/g" \
-		/usr/share/easyengine/nginx/$EE_NGINX_CONF \
-		> /etc/nginx/sites-available/$EE_DOMAIN \
-		|| ee_lib_error "Unable to update NGINX configuration file for $EE_DOMAIN, exit status = " $?
+		if [ -f /etc/nginx/sites-available/$EE_DOMAIN ]; then 
+			EE_SITE_CURRENT_CONF=$(head -n1 /etc/nginx/sites-available/$EE_DOMAIN | grep "NGINX CONFIGURATION")
+			EE_SITE_UPDATE_CONF=$(head -n1 $EE_NGINX_CONF | grep "NGINX CONFIGURATION")
+			EE_SITE_CONF="/etc/nginx/sites-available/$EE_DOMAIN"
+
+			# Update Head Line of NGINX conf
+			sed -i 's/$EE_SITE_CURRENT_CONF/$EE_SITE_UPDATE_CONF/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+
+			# Update Head Line of NGINX conf file
+			if [ "$EE_SITE_UPDATE_OPTION" = "--wpsubdir" ] || [ "$EE_SITE_UPDATE_OPTION" = "--wpsubdomain" ] \
+				&& [ "$EE_SITE_CURRENT_OPTION" != "WPSUBDOMAIN BASIC" ] && [ "$EE_SITE_CURRENT_OPTION" != "WPSUBDIR BASIC" ] \
+				&& [ "$EE_SITE_CURRENT_OPTION" != "WPSUBDOMAIN WP SUPER CACHE" ] && [ "$EE_SITE_CURRENT_OPTION" != "WPSUBDIR WP SUPER CACHE"] \
+				&& [ "$EE_SITE_CURRENT_OPTION" != "WPSUBDOMAIN FAST CGI" ] && [ "$EE_SITE_CURRENT_OPTION" != "WPSUBDIR FAST CGI"] \
+				&& [ "$EE_SITE_CURRENT_OPTION" != "WPSUBDOMAIN W3 TOTAL CACHE" ] && [ "$EE_SITE_CURRENT_OPTION" != "WPSUBDIR W3 TOTAL CACHE"];then
+				sed -i "s'server_name $EE_DOMAIN www.$EE_DOMAIN;'server_name $EE_DOMAIN *.$EE_DOMAIN;'" $EE_SITE_CONF && \
+				sed -i '/server_name.*;/i \\t# Uncomment the following line for domain mapping;\n\t# listen 80 default_server;\n' $EE_SITE_CONF && \
+				sed -i '/server_name.*;/a \\n\t# Uncomment the following line for domain mapping \n\t#server_name_in_redirect off;' $EE_SITE_CONF && \
+				sed -i '/include common\/locations.conf/i \\tinclude common\/wpsubdir.conf;' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+			fi
+			# Update NGINX conf for HTML site
+			if [ "$EE_SITE_CURRENT_OPTION" = "HTML" ]; then
+				sed -i 's/access\.log/access.log rt_cache/' $EE_SITE_CONF && \
+				sed -i '/location \/ {/,/}/c \\tindex index.php index.htm index.html' $EE_SITE_CONF  || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				if [ "$EE_SITE_CACHE_OPTION" = "--basic" ] || [[ "$EE_SITE_UPDATE_OPTION" = "--php" || "$EE_SITE_UPDATE_OPTION" = "--mysql" ]]; then
+					sed -i '/include common\/locations.conf/i \\tinclude common\/php.conf;' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				elif [ "$EE_SITE_CACHE_OPTION" = "--wpfc" ]; then
+					sed -i '/include common\/locations.conf/i \\tinclude common\/wpfc.conf;' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				elif [ "$EE_SITE_CACHE_OPTION" = "--wpsc" ]; then
+					sed -i '/include common\/locations.conf/i \\tinclude common\/wpsc.conf;' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				elif [ "$EE_SITE_CACHE_OPTION" = "--w3tc" ]; then
+					sed -i '/include common\/locations.conf/i \\tinclude common\/w3tc.conf;' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				fi
+			# Update NGINX conf from BASIC CACHE to WPFC|W3TC|WPSC CACHE  
+			elif [ "$EE_SITE_CURRENT_OPTION" = "PHP" ] || [ "$EE_SITE_CURRENT_OPTION" = "MYSQL" ] || [ "$EE_SITE_CURRENT_OPTION" = "WPSINGLE BASIC" ] \
+				|| [ "$EE_SITE_CURRENT_OPTION" = "WPSUBDIR BASIC" ] || [ "$EE_SITE_CURRENT_OPTION" = "WPSUBDOMAIN BASIC" ]; then
+				if [ "$EE_SITE_CACHE_OPTION" = "--wpfc" ]; then
+					sed -i 's/include common\/php.conf/include common\/wpfc.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				elif [ "$EE_SITE_CACHE_OPTION" = "--wpsc" ]; then
+					sed -i 's/include common\/php.conf/include common\/wpsc.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				elif [ "$EE_SITE_CACHE_OPTION" = "--w3tc" ]; then
+					sed -i 's/include common\/php.conf/include common\/w3tc.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				fi
+			# Update NGINX conf from W3TC CACHE to BASIC|WPSC|WPFC CACHE  
+			elif [ "$EE_SITE_CURRENT_OPTION" = "WPSINGLE W3 TOTAL CACHE" ] || [ "$EE_SITE_CURRENT_OPTION" = "WPSUBDIR W3 TOTAL CACHE" ] \
+				|| [ "$EE_SITE_CURRENT_OPTION" = "WPSUBDOMAIN W3 TOTAL CACHE" ]; then
+				if [ "$EE_SITE_CACHE_OPTION" = "--wpfc" ]; then
+					sed -i 's/include common\/w3tc.conf/include common\/wpfc.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				elif [ "$EE_SITE_CACHE_OPTION" = "--wpsc" ]; then
+					sed -i 's/include common\/w3tc.conf/include common\/wpsc.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				elif [ "$EE_SITE_CACHE_OPTION" = "--basic" ]; then
+					sed -i 's/include common\/w3tc.conf/include common\/php.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				fi	
+			# Update NGINX conf from WPFC CACHE to BASIC|W3TC|WPSC CACHE 
+			elif [ "$EE_SITE_CURRENT_OPTION" = "WPSINGLE FAST CGI" ] || [ "$EE_SITE_CURRENT_OPTION" = "WPSUBDIR FAST CGI" ] || [ "$EE_SITE_CURRENT_OPTION" = "WPSUBDOMAIN FAST CGI" ]; then
+				if [ "$EE_SITE_CACHE_OPTION" = "--basic" ]; then
+					sed -i 's/include common\/wpfc.conf/include common\/php.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				elif [ "$EE_SITE_CACHE_OPTION" = "--wpsc" ]; then
+					sed -i 's/include common\/wpfc.conf/include common\/wpsc.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				elif [ "$EE_SITE_CACHE_OPTION" = "--w3tc" ]; then
+					sed -i 's/include common\/wpfc.conf/include common\/w3tc.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				fi
+			# Update NGINX conf from WPSC CACHE to BASIC|W3TC|WPFC CACHE 
+			elif [ "$EE_SITE_CURRENT_OPTION" = "WPSINGLE WP SUPER CACHE" ] || [ "$EE_SITE_CURRENT_OPTION" = "WPSUBDIR WP SUPER CACHE" ] || [ "$EE_SITE_CURRENT_OPTION" = "WPSUBDOMAIN WP SUPER CACHE" ]; then
+				if [ "$EE_SITE_CACHE_OPTION" = "--basic" ]; then
+					sed -i 's/include common\/wpsc.conf/include common\/php.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				elif [ "$EE_SITE_CACHE_OPTION" = "--wpfc" ]; then
+					sed -i 's/include common\/wpsc.conf/include common\/wpfc.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				elif [ "$EE_SITE_CACHE_OPTION" = "--w3tc" ]; then
+					sed -i 's/include common\/wpfc.conf/include common\/w3tc.conf;/' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+				fi
+			fi
+			
+			# Update NGINX conf from HTML|PHP|MYSQL to wp|wpsubdir|wpsubdomain
+			if [[ "$EE_SITE_UPDATE_OPTION" = "--wp" || "$EE_SITE_UPDATE_OPTION" = "--wpsubdomain" || "$EE_SITE_UPDATE_OPTION" = "--wpsubdir" ]] \
+				&& [[ "$EE_SITE_CURRENT_OPTION" = "HTML" || "$EE_SITE_CURRENT_OPTION" = "PHP" || "$EE_SITE_CURRENT_OPTION" = "MYSQL" ]]; then	
+				sed -i '/include common\/locations.conf/i \\tinclude common\/wpcommon.conf;' $EE_SITE_CONF || ee_lib_error "Unable to update nginx configuration to $EE_SITE_UPDATE_OPTION, $EE_SITE_CACHE_OPTION for $EE_DOMAIN, exit status =" $?
+			fi 
+		else
+			ee_lib_error "Unable to find $EE_DOMAIN NGINX configuration, exit status =" $?
+		fi
 }