🚀 What is a Client Access Server (CAS)?

A Client Access Server (CAS) is a key component in Microsoft Exchange Server, acting as an intermediary between end-users and the mailbox server. It manages client connections, authentication, and request proxying, ensuring seamless access to emails, calendars, and contacts via Outlook, OWA, and mobile devices.

🔹 Key Features of CAS:

✔️ Manages client connections (MAPI over HTTP, ActiveSync, OWA)

✔️ Provides authentication (Basic, NTLM, Kerberos)

✔️ Proxies & redirects requests for load balancing

✔️ Integrates with Unified Messaging

✔️ Ensures high availability with CAS Arrays

🔄 High Availability for CAS Arrays

CAS Arrays distribute client requests across multiple servers, preventing downtime. Using RELIANOID Load Balancer, organizations can optimize CAS performance, enhance availability, and ensure a robust Exchange environment.

📥 Download RELIANOID Load Balancer today!

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https://www.relianoid.com/resources/knowledge-base/misc/what-is-client-access-server/