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title: What are the existing Access Strategies, and how can they be used?
description: What are the existing Access Strategies, and how can they be used?
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April 25, 2026

# What are the existing Access Strategies, and how can they be used?

## Discover all Access Strategies available on Izix and their functionality.

This feature's availability depends on your subscription plan and role.

**Target Audience:** This article is intended for **Organization Administrators** (configuration/policy management) and **End-users** (daily usage of the Izix app).

#### **Contents**

1. [What is an Access Strategy?](https://knowledge.izix.eu/en/en/what-are-the-different-access-strategies#one)
2. [Quick Comparison Table](https://knowledge.izix.eu/en/en/what-are-the-different-access-strategies#two)
3. [The Strategy Guide (Admin & User Views)](https://knowledge.izix.eu/en/en/what-are-the-different-access-strategies#three)
4. [Troubleshooting: Why is access unavailable?](https://knowledge.izix.eu/en/en/what-are-the-different-access-strategies#four)
5. [Understanding "No Re-entry" (ASE)](https://knowledge.izix.eu/en/en/what-are-the-different-access-strategies#five)
6. [Critical Warning: Before Changing Strategies](https://knowledge.izix.eu/en/en/what-are-the-different-access-strategies#six)
7. [Frequently Asked Questions (FAQ)](https://knowledge.izix.eu/en/en/what-are-the-different-access-strategies#seven)

 

### **1. What is an Access Strategy?**

An **Access Strategy** is the "rule set" that defines the behavior of your parking access. It determines:

- **Booking requirements:** Do you need to reserve in advance?
- **Guarantees:** Is a spot promised to you or depends on live availability?
- **Tracking:** How does the system monitor your session (In/Out status)?

In short, it shapes both the **User Experience** and the **Capacity Logic** of the parking lot.

 

### **2. Quick Comparison Table**

| **Strategy** | **Need to Book?** | **Guaranteed Spot?** | **Best Use Case** |
| --- | --- | --- | --- |
| **PREF** (Preferential) | No | ✅ Yes | VIPs, Residents, or Critical Staff. |
| **BOOK** (Booking) | Yes | 🔶 If Booked | Hybrid work, shared offices, and fairness. |
| **FCFS** | No | ❌ No | Spontaneous parking based on live availability. |
| **OTFB** (On-the-fly) | No\* | ❌ No | On-demand parking with a set end-time. |
| **Visitor** | No\* | 🔶 Varies | Guests, contractors, and temporary visits. |
| **Free-to-Pass (FTP)** | No | ❌ No | Delivery or pass-through (no parking spot). |

*OTFB requires selecting a duration upon entry. Visitor access is pre-created by an Admin*

### **3. The Strategy Guide**

#### **Preferential (PREF)**

- - **User View:** No action required before arrival. Simply go to **Access** in the app and select **Enter**.
    - **Admin View:** Assign this to users who require 100% availability. **Note:** PREF consumes "guaranteed" capacity 24/7 or during set hours.

#### **Booking (BOOK)**

- - **User View:** You must reserve your spot via the App or Web. Access is only granted during your specific booking window.
    - **Admin View:** Use this to manage limited capacity fairly. You define the booking rules (how far in advance a user can reserve).

#### **First Come First Served (FCFS)**

- - **User View:** No reservation needed. Access depends purely on whether the "Spots Left" counter is above zero when you arrive.
    - **Admin View:** Ideal for maximizing occupancy. Ensure your exit detection is reliable so the "Spots Left" counter stays accurate.

#### **On-The-Fly Booking (OTFB)**

- - **User View:** At the gate, the app will ask: *"How long will you stay?"*. You select a duration to begin your session.
    - **Admin View:** Best for time-limited sessions. It forces the user to declare an end-time, helping you predict upcoming availability.

#### **Vehicle-based Strategies**

- - **User View:** Access is linked to the **Vehicle/License Plate** rather than your individual profile. Often used for car-sharing or fleet vehicles.
    - **Admin View:** Prevents entitlement conflicts when multiple people share the same fleet of cars.

### **4. Troubleshooting: Why is access unavailable?**

| **What you see** | **What it means** | **Recommended Action** |
| --- | --- | --- |
| **"No spots left"** | The parking is at maximum capacity. | **User:** Wait for a spot or use an alternative. **Admin:** Review the PREF/BOOK mix. |
| **"0 credits left"** | You have exhausted your monthly allowance. | **User:** Contact your Admin. **Admin:** Check the user's credit renewal policy. |
| **"Outside timetable"** | You are attempting access during restricted hours. | **User:** Check your access rights. **Admin:** Verify the Access Policy schedule. |
| **"Sequence error"** | The system thinks you are already inside. | **User:** Ensure you "Exit" correctly. **Admin:** Check if the user missed an exit log. |

### **5. Understanding "No Re-entry" (ASE)**

**Access Sequence Enforcement (ASE)** is a security rule that prevents "double entries."

- **The Rule:** You cannot enter the parking if the system thinks you are already inside.
- **The User Impact:** If you entered but didn't register an "Exit" (manually or via sensor), your next entry will be blocked.
- **Solution:** Always ensure your exit is registered. If blocked, contact your internal parking administrator.

### **6. Critical Warning: Before Changing Strategies**

⚠️ **Important:** Changing an Access Strategy can have immediate side effects on your parking occupancy.

- **Switching BOOK to FCFS:** You lose the ability to plan ahead. Users who previously relied on reservations may find the parking full upon arrival.
- **Adding more PREF users:** This reduces the pool of spots available for everyone else.
- **Enabling ASE:** This requires very high exit-logging reliability. If your exit sensors are down, enabling ASE will block many users.

💡 **Pro-Tip:** Before making a major strategy change, contact your **Izix Account Manager** to validate the impact on your specific spot groups.

### **7. Frequently Asked Questions (FAQ)**

**Q: Which strategy is best for hybrid work?**

**A:** **BOOK** is usually best. it ensures fairness and allows employees to plan their commute with certainty.

**Q: Why do I get "Access sequence not respected"?**

**A:** The system believes your last action was an entry. You must register an "Exit" before the system allows you to enter again.

**Q: When should we use Free-to-Pass?**

**A:** Only for users who need to open the gate but will **not** park (e.g., a delivery truck or a car dropping someone off).

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