diff --git a/mod_php_install.sh b/mod_php_install.sh
index 1e9438c..beb7c23 100755
--- a/mod_php_install.sh
+++ b/mod_php_install.sh
@@ -795,6 +795,7 @@ FPM_DEFAULT_POOL_ACCESS_FORMAT="\"%R - %u %t \"%m %r%Q%q\" %s %f %{mili}d %{kilo
 FPM_DEFAULT_POOL_TERMINATE_TIMEOUT="`expr $MAX_EXECUTION_TIME + 1`s"
 
 FPM_ULIMIT_MAX_FILES=`su -c "ulimit -H -n" -s /bin/bash $_PHP_FPM_USER`
+      
 
 
 echo ""
@@ -888,6 +889,31 @@ if [ "$VSERVER_GUEST" = "yes" ]; then
 fi
 
 
+declare -a existing_fpm_definition_arr=()
+FPM_DEFAULT_POOL_DEFINITION_EXISTS=false
+if $WITH_PHP_FPM_SUPPORT ; then
+
+   echo ""
+   echo -e "\033[32m--\033[m"
+   echononl "Get existing socket definitions"
+   if [[ -n "$(ls /usr/local/php-${PHP_MAIN_VERSION}/etc/fpm.d/*.conf 2>/dev/null)" ]]; then
+
+      for _file in $(ls /usr/local/php-${PHP_MAIN_VERSION}/etc/fpm.d/*.conf) ; do
+         if [[ "$(basename "$_file")" = "${FPM_DEFAULT_POOL}.php-fpm.conf" ]]; then 
+            FPM_DEFAULT_POOL_DEFINITION_EXISTS=true
+         fi
+         existing_fpm_definition_arr+=("$(realpath "$_file")")
+      done
+
+      echo_ok
+   else
+      echo_skipped
+   fi
+
+   echo -e "\033[32m--\033[m"
+   echo ""
+fi
+
 
 echo ""
 echo ""
@@ -896,31 +922,39 @@ echo -e "\033[32m--\033[m"
 echo ""
 echo -e "\033[21G\033[32mStart PHP Installation with the following Parameters \033[m"
 echo ""
-echo "OS distribution...............: $os_dist"
-echo "OS version....................: $os_version (${os_codename})"
+echo "OS distribution..................: $os_dist"
+echo "OS version.......................: $os_version (${os_codename})"
 echo ""
-echo "PHP version...................: $VERSION"
-echo "PHP main version..............: $PHP_MAIN_VERSION"
-echo "PHP major version.............: $PHP_MAJOR_VERSION"
-echo "PHP minor version.............: $PHP_MINOR_VERSION"
-echo "PHP patch level...............: $PHP_PATCH_LEVEL"
+echo "PHP version......................: $VERSION"
+echo "PHP main version.................: $PHP_MAIN_VERSION"
+echo "PHP major version................: $PHP_MAJOR_VERSION"
+echo "PHP minor version................: $PHP_MINOR_VERSION"
+echo "PHP patch level..................: $PHP_PATCH_LEVEL"
 echo ""
 echo "PHP configuration (php.ini)"
-echo "   memory_limit...............: $MEMORY_LIMIT"
-echo "   max_execution_time.........: $MAX_EXECUTION_TIME"
-echo "   max_input_time.............: $MAX_INPUT_TIME"
-echo "   upload_max_filesize........: $UPLOAD_MAX_FILESIZE"
-echo "   post_max_size..............: $POST_MAX_SIZE"
+echo "   memory_limit..................: $MEMORY_LIMIT"
+echo "   max_execution_time............: $MAX_EXECUTION_TIME"
+echo "   max_input_time................: $MAX_INPUT_TIME"
+echo "   upload_max_filesize...........: $UPLOAD_MAX_FILESIZE"
+echo "   post_max_size.................: $POST_MAX_SIZE"
 echo ""
-echo "Apache User...................: $HTTPD_USER"
-echo "Apache Group..................: $HTTPD_GROUP"
+echo "Apache User......................: $HTTPD_USER"
+echo "Apache Group.....................: $HTTPD_GROUP"
 echo ""
 #echo "MySQL Installation directory..: $MYSQL_INSTALL_DIR"
 #echo ""
-echo "Install with FPM support......: $WITH_PHP_FPM_SUPPORT"
+echo "Install with FPM support.........: $WITH_PHP_FPM_SUPPORT"
 if $WITH_PHP_FPM_SUPPORT ; then
-   echo "   Activate FPM init script...: $ACTIVATE_PHP_FPM_INIT_SCRIPT"
-   echo "   Set umask 0002 for FPM.....: $SET_UMASK"
+   echo "   Activate FPM init script......: $ACTIVATE_PHP_FPM_INIT_SCRIPT"
+   echo "   Set umask 0002 for FPM........: $SET_UMASK"
+   echo ""
+   echo "   PHP FPM Socket definition(s)..: ${FPM_DEFAULT_POOL}.php-fpm.conf"
+   if [[ ${#existing_fpm_definition_arr[@]} -gt 0 ]] ; then
+      for _file in "${existing_fpm_definition_arr[@]}" ; do
+         [[ "$(basename "$_file")" = "${FPM_DEFAULT_POOL}.php-fpm.conf" ]] && continue
+         echo "                                   $(basename "$_file")"
+      done
+   fi
 fi
 if [[ $PHP_MAJOR_VERSION -ge 7 ]]; then
    echo ""
@@ -1822,7 +1856,10 @@ EOF
    fi
 
    echononl "\tCreate php-fpm configuration file for pool \"${FPM_DEFAULT_POOL}\""
-   cat <<EOF > ${PREFIX_PHP}/etc/${FPM_POOL_CONF_DIR}/${FPM_DEFAULT_POOL}.php-fpm.conf
+   if $FPM_DEFAULT_POOL_DEFINITION_EXISTS ; then
+      echo_skipped
+   else
+      cat <<EOF > ${PREFIX_PHP}/etc/${FPM_POOL_CONF_DIR}/${FPM_DEFAULT_POOL}.php-fpm.conf
 ;;;;;;;;;;;;;;;;;;;;
 ; Pool Definitions ;
 ;;;;;;;;;;;;;;;;;;;;
@@ -2111,12 +2148,28 @@ request_terminate_timeout = $FPM_DEFAULT_POOL_TERMINATE_TIMEOUT
 
 EOF
 
-   if [ "$?" = "0" ]; then
-      echo_ok
-   else
-      echo_failed
+      if [ "$?" = "0" ]; then
+         echo_ok
+      else
+         echo_failed
+      fi
    fi
 
+   # - Copy PHP FPM definitions from current installation to the new one.
+   # -
+   if [[ ${#existing_fpm_definition_arr[@]} -gt 0 ]] ; then
+      for _file in "${existing_fpm_definition_arr[@]}" ; do
+         echononl "\tTake existing PHP FPM definition '$(basename "$_file")' .."
+         cp "$_file" "${PREFIX_PHP}/etc/${FPM_POOL_CONF_DIR}/" > /dev/null 2>&1 
+         if [ "$?" = "0" ]; then
+            echo_ok
+         else
+            echo_failed
+         fi
+      done
+   fi
+
+
    if [ "$_HTTPD_USER" != $FPM_DEFAULT_POOL_LISTEN_OWNER ]; then
       echononl "\tAdd apache user to group \"$FPM_DEFAULT_POOL_LISTEN_GROUP\""
       usermod -a -G $FPM_DEFAULT_POOL_LISTEN_GROUP $_HTTPD_USER