diff --git a/b1.gen.sh b/b1.gen.sh
index 2269f33..aa146c9 100644
--- a/b1.gen.sh
+++ b/b1.gen.sh
@@ -18,10 +18,27 @@ print_header() {
     echo ""
 }
 
-# --- Function to read password securely ---
+# --- Function to read password securely (single entry) ---
 read_password() {
     local prompt_text=$1
     local -n pass_var=$2 # Use a nameref to pass the variable name
+    
+    # Loop until the entered password is not empty
+    while true; do
+        read -s -p "$prompt_text: " pass_var
+        echo
+        if [ -z "$pass_var" ]; then
+            echo "Password cannot be empty. Please try again."
+        else
+            break
+        fi
+    done
+}
+
+# --- Function to read and verify password securely ---
+read_password_verify() {
+    local prompt_text=$1
+    local -n pass_var=$2 # Use a nameref to pass the variable name
     local pass_verify
     
     # Loop until the entered passwords match and are not empty
@@ -46,6 +63,22 @@ read_password() {
 }
 
 # --- Main configuration logic ---
+print_header
+
+# --- Installation Type ---
+echo "--- Installation Type ---"
+read -p "Is this a new installation or are you reconfiguring an existing instance? (new/reconfigure) [new]: " install_type
+install_type=${install_type:-new}
+
+if [[ "$install_type" == "reconfigure" ]]; then
+    LANDSCAPE_INSTALL_ACTION="connect"
+    B1S_SHARED_FOLDER_OVERWRITE="false"
+else
+    LANDSCAPE_INSTALL_ACTION="create"
+    B1S_SHARED_FOLDER_OVERWRITE="true"
+fi
+echo ""
+
 
 # 1. Get Hostname/IP Details
 # Default to the current machine's hostname.
@@ -77,16 +110,37 @@ read_password "Enter password for HANA User ('${HANA_DATABASE_USER_ID}')" HANA_D
 
 # 7. Get SLD and Site User Details
 echo ""
-echo "--- System Landscape Directory (SLD) & Service Layer ---"
+echo "--- System Landscape Directory (SLD) ---"
 read -p "Enter SLD Service Port [40000]: " SERVICE_PORT
 SERVICE_PORT=${SERVICE_PORT:-40000}
 
 read -p "Enter SLD Site User ID [B1SiteUser]: " SITE_USER_ID
 SITE_USER_ID=${SITE_USER_ID:-B1SiteUser}
 
-read_password "Enter password for Site User ('${SITE_USER_ID}')" SITE_USER_PASSWORD
+read_password_verify "Enter password for Site User ('${SITE_USER_ID}')" SITE_USER_PASSWORD
+
+# --- SLD Single Sign-On (SSO) Settings ---
+echo ""
+echo "--- SLD Single Sign-On (SSO) Settings ---"
+read -p "Do you want to configure Active Directory SSO? [y/N]: " configure_sso
+
+if [[ "$configure_sso" =~ ^[yY]$ ]]; then
+    SLD_WINDOWS_DOMAIN_ACTION="use"
+    read -p "Enter AD Domain Controller: " SLD_WINDOWS_DOMAIN_CONTROLLER
+    read -p "Enter AD Domain Name: " SLD_WINDOWS_DOMAIN_NAME
+    read -p "Enter AD Domain User ID: " SLD_WINDOWS_DOMAIN_USER_ID
+    read_password "Enter password for AD Domain User ('${SLD_WINDOWS_DOMAIN_USER_ID}')" SLD_WINDOWS_DOMAIN_USER_PASSWORD
+else
+    SLD_WINDOWS_DOMAIN_ACTION="skip"
+    SLD_WINDOWS_DOMAIN_CONTROLLER=""
+    SLD_WINDOWS_DOMAIN_NAME=""
+    SLD_WINDOWS_DOMAIN_USER_ID=""
+    SLD_WINDOWS_DOMAIN_USER_PASSWORD=""
+fi
 
 # 10. & 11. Get Service Layer Load Balancer Details
+echo ""
+echo "--- Service Layer ---"
 read -p "Enter Service Layer Load Balancer Port [50000]: " SL_LB_PORT
 SL_LB_PORT=${SL_LB_PORT:-50000}
 
@@ -108,11 +162,13 @@ done
 # 12. Display Summary and Ask for Confirmation
 clear
 echo "======================================================"
-echo "          Configuration Summary"
+echo "              Configuration Summary"
 echo "======================================================"
 echo ""
 echo " --- Installation & System Details ---"
 echo " INSTALLATION_FOLDER=/usr/sap/SAPBusinessOne"
+echo " LANDSCAPE_INSTALL_ACTION=${LANDSCAPE_INSTALL_ACTION}"
+echo " B1S_SHARED_FOLDER_OVERWRITE=${B1S_SHARED_FOLDER_OVERWRITE}"
 echo ""
 echo " --- SAP HANA Database Server Details ---"
 echo " HANA_DATABASE_SERVERS=${HANA_DATABASE_SERVERS}"
@@ -129,6 +185,15 @@ echo " SERVICE_PORT=${SERVICE_PORT}"
 echo " SITE_USER_ID=${SITE_USER_ID}"
 echo " SITE_USER_PASSWORD=[hidden]"
 echo ""
+echo " --- SLD Single Sign-On (SSO) ---"
+echo " SLD_WINDOWS_DOMAIN_ACTION=${SLD_WINDOWS_DOMAIN_ACTION}"
+if [ "$SLD_WINDOWS_DOMAIN_ACTION" == "use" ]; then
+    echo " SLD_WINDOWS_DOMAIN_CONTROLLER=${SLD_WINDOWS_DOMAIN_CONTROLLER}"
+    echo " SLD_WINDOWS_DOMAIN_NAME=${SLD_WINDOWS_DOMAIN_NAME}"
+    echo " SLD_WINDOWS_DOMAIN_USER_ID=${SLD_WINDOWS_DOMAIN_USER_ID}"
+    echo " SLD_WINDOWS_DOMAIN_USER_PASSWORD=[hidden]"
+fi
+echo ""
 echo " --- Service Layer ---"
 echo " SL_LB_PORT=${SL_LB_PORT}"
 echo " SL_LB_MEMBERS=${SL_LB_MEMBERS}"
@@ -167,6 +232,13 @@ SLD_SERVER_PROTOCOL=https
 SITE_USER_ID=${SITE_USER_ID}
 SITE_USER_PASSWORD=${SITE_USER_PASSWORD}
 
+# --- SLD Single Sign-On (SSO) Settings ---
+SLD_WINDOWS_DOMAIN_ACTION=${SLD_WINDOWS_DOMAIN_ACTION}
+SLD_WINDOWS_DOMAIN_CONTROLLER=${SLD_WINDOWS_DOMAIN_CONTROLLER}
+SLD_WINDOWS_DOMAIN_NAME=${SLD_WINDOWS_DOMAIN_NAME}
+SLD_WINDOWS_DOMAIN_USER_ID=${SLD_WINDOWS_DOMAIN_USER_ID}
+SLD_WINDOWS_DOMAIN_USER_PASSWORD=${SLD_WINDOWS_DOMAIN_USER_PASSWORD}
+
 SL_LB_MEMBER_ONLY=false
 SL_LB_PORT=${SL_LB_PORT}
 SL_LB_MEMBERS=${SL_LB_MEMBERS}
@@ -175,9 +247,10 @@ SL_THREAD_PER_SERVER=10
 SELECTED_FEATURES=B1ServerTools,B1ServerToolsLandscape,B1ServerToolsSLD,B1ServerToolsLicense,B1ServerToolsJobService,B1ServerToolsXApp,B1SLDAgent,B1BackupService,B1Server,B1ServerSHR,B1ServerHelp,B1AnalyticsPlatform,B1ServerCommonDB,B1ServiceLayerComponent
 
 B1S_SAMBA_AUTOSTART=true
-B1S_SHARED_FOLDER_OVERWRITE=true
-LANDSCAPE_INSTALL_ACTION=create
+B1S_SHARED_FOLDER_OVERWRITE=${B1S_SHARED_FOLDER_OVERWRITE}
+LANDSCAPE_INSTALL_ACTION=${LANDSCAPE_INSTALL_ACTION}
 EOL
 
 echo "Success! The configuration file 'install.properties' has been created in the current directory."
-exit 0
\ No newline at end of file
+exit 0
+