Whether replacing server mainboards affects services

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Power off the server before you replace the mainboard. Mainboard replacement does not affect services.

Other related questions:
Whether replacing server NICs affects services
NIC replacement will cause the MAC address change, and services related to the MAC address will be affected.

Whether replacing server CPUs affects services
Power off the server before you replace CPUs. System information and files are stored on disks. After a CPU is replaced, and the system is powered on and restarted, the system automatically loads the CPU driver and identifies the CPU. Therefore, CPU replacement does not affect services nor data.

Whether replacing server DIMMs affects services
Power off the server before you replace DIMMs. When the device is powered off, data in DIMMs will be written into disks and will not get lost. Therefore, DIMM replacement does not affect services nor data.

Whether replacing server RAID controller cards affects services
Power off the server before you replace a RAID controller card. RAID controller card information consists of two parts: one part stored in the RAID controller card, and the other part stored on disks. After RAID controller card replacement, the system only needs to re-read RAID information from disks, and services and data are not affected.

Solution to activating the Windows after the server mainboard is replaced
To activate Windows, do as follows: 1. Call 800-830-1832 or 400-830-1832, and press 1 and then 5. Provide the key of your Windows version and the code generated when the activation failed. 2. Call the Microsoft technical support and tell the technical support that you need to reactivate the OS after replacing the server mainboard. 3. Enter the code provided by the Microsoft technical support to activate the OS.

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