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“Achieve High Availability with Configuration Manager Site Server OS: Step-by-Step Reference Guide”

Change Configuration Manager Site Server OS – High Availability
The Configuration Manager Site Server is a critical component of the System Center Configuration Manager (SCCM) environment. It is used to manage the configuration and deployment of software and hardware, as well as to monitor the security of the environment. Ensuring that the Site Server is highly available is essential to ensure the stability and reliability of the environment.

Options for High Availability
When it comes to high availability for the Site Server, there are two main options: using a Windows Failover Cluster or using Azure Site Recovery (ASR).

Windows Failover Clusters
A Windows Failover Cluster is a group of two or more servers that work together to ensure the availability of a service or application. In the case of SCCM, a Windows Failover Cluster can be used to ensure the availability of the Site Server. The servers in the cluster are connected to each other via a private network and they are configured to share storage, so that when one server fails, the other server can take over with minimal downtime.

Azure Site Recovery
Azure Site Recovery (ASR) is a cloud-based disaster recovery solution from Microsoft. It enables organizations to replicate their data and applications to an Azure instance, so that if a server fails, the data and applications can be quickly and easily recovered. ASR can be used to replicate the SCCM Site Server to an Azure instance, so that if the primary server fails, the secondary server can be used to continue operations.

Conclusion
When it comes to ensuring the availability of a Configuration Manager Site Server, there are two main options: using a Windows Failover Cluster or using Azure Site Recovery (ASR). Both options have their advantages and disadvantages, and organizations should evaluate their own needs and requirements to determine which solution is best for them.

Using a Windows Failover Cluster is a good option for organizations that need to ensure the availability of their SCCM Site Server in an on-premises environment. However, it requires additional servers and can be complex to configure and manage. On the other hand, Azure Site Recovery is a good option for organizations that need a cloud-based solution that is easy to configure and manage. It can also be used to replicate data and applications to an Azure instance, so that if a server fails, the data and applications can be quickly and easily recovered.

Overall, organizations should evaluate their own needs and requirements before deciding which solution is best for them.
References:
Change Configuration Manager Site Server OS – High Availability Reference
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1. Change Configuration Manager
2. Configuration Manager Site Server
3. Configuration Manager

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