Microsoft is expected to enable the device encryption feature by default via the upcoming Windows 11 24H2 update.
Microsoft may be rolling out a new feature as part of the latest Windows 11 update that will boost security but slow down SSD performance. We’re talking about BitLocker, of course, a device encryption feature that will be turned on by default as part of the upcoming 24H2 update.
Recommended Videos In theory, this sounds great. Who wouldn’t want some additional security for their data? Well, a key concern with having BitLocker on by default is its potential impact on SSD performance. Tom’s Hardware tested BitLocker on various SSDs last year and found that it can significantly affect performance. The tests showed that when BitLocker encryption is enabled, sequential read speeds could drop by up to 45% and write speeds by up to 40%.
Because BitLocker will be turned on by default, that could mean that plenty of people will install the update without realizing they’re taking a hit in SSD performance. As pointed out by The Verge, however, Microsoft has only confirmed its plans to enable BitLocker by default through support documents, which do not mention any potential performance drawbacks.
It’s also worth noting that BitLocker will only be on by default for new PCs, such as the currently available Copilot+ PCs, or if you perform a clean install of Windows. Upgrading an existing Windows 11 system to 24H2 will not enable this feature automatically. Similarly, if you are using a local account instead of logging in to a Microsoft account, automatic encryption will not be enabled by default and can be manually activated via the BitLocker option under Settings or Control Panel.
Bitlocker Device Encrpytion Windows Windows 11 Windows 11 24H2
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