What is the Microsoft Reserved Partition (MSR)?
Understanding the MSR
The Microsoft Reserved Partition (MSR) is a small partition created by Windows during disk initialization. It typically occupies 16 MB of space on each GUID Partition Table (GPT) drive. The purpose of the MSR is to reserve space for future use by the operating system. It is essential for certain Windows features and functions, such as BitLocker encryption and system restore.
Creating an MSR
An MSR is automatically created when initializing a GPT drive using Windows Disk Management or other partitioning tools. It is recommended to create an MSR on all GPT drives used with Windows operating systems to ensure optimal system performance and reliability.
Operating Systems Compatible with MSR
The MSR is compatible with the following Windows Server operating systems:
- Windows Server 2022
- Windows Server 2019
- Windows Server 2016
Additional Information
For more information on the MSR, please refer to the following resources:
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