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2022 has just begun, and Microsoft Exchange is already in trouble

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Y2K22 Exchange Microsoft problema 2022

It was only a few hours before the new year of 2022, and there are already security issues in the world of technology that need to be reported. This time, the victim is the well-known Microsoft Exchange software, which has been down since early 2022.

From what has been very actively reported, this issue started way back in 2022 and is hampering the delivery of email messages. There is already a solution to this problem that is easy for administrators to apply.


Called Y2K22, this new bug affects all systems with the latest versions of Microsoft Exchange. Problem reported by many administrators This email system informs that messages sent from these servers simply stop being sent.

The flaw exists in the versions of Exchange 2013, 2016, and 2019, in particular in the anti-spam and anti-malware component that exists in this service. The name Y2K22 comes from a date conversion issue for which an update was received to resolve this issue.

Research done to determine the error reports that everything will be in one variable and its type. It is int32, which has a maximum value that is currently being exceeded. The solution would be to use a variable of type int long, which contains much larger values.

Of course, Microsoft will have to release an update very soon to fix this issue in Exchange, and it seems to be easy to fix. Everything will be in changing the specified variable, which can then finally convert the date to an accepted value without returning any error.

Y2K22 Exchange Microsoft issue 2022

There is already a workaround for this Microsoft software issue. It includes disabling components that show errors, that is, anti-spam and malware protection. This process is done with a simple PowerShell command.

Unfortunately, applying this curative measure to Exchange exposes customers to attacks and potential security issues. This is a new problem that re-emerges due to the change of year, which happens periodically and almost every year.

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Pixel 4 gets an update from Google ahead of time

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Android 13 Pixel 4 Google atualização beta

Android 13 is being developed at a good pace, Google periodically releases new test versions, as expected. This system is expected in late summer to update Google smartphones first.

Still without a planned and expected release date, now a contingency arose. Unexpectedly, a Pixel 4 user received an update to Android 13, even though it is a beta version.


Google has an open testing program that anyone who wants to try Android 13 can use. It's not limited to just pixels, but has opened it up to several models from other brands so that they can evaluate this version.

What the user of this Pixel 4 did not expect is that their smartphone will receive Android 13 version TP1A.220603.002.A1. Apparently, this is reserved for Google internal testing and should not have been available outside the company.

Even stranger and even more ridiculous is that this user did not register their Pixel 4 in any of the Android 13 tests. Thus, they were far from accessing this or any other version of the new Google system that was not even released. more. .

In the description he provided on various internet channels, the owner of this Pixel 4 said that he had problems with the smartphone from that moment on. The worst of them was even a clear incompatibility with the Play Store. Reinstalling the app and even resetting the Pixel 4 didn't fix the problem.

Even though this seems to be the only known case with Android 13, this is a seemingly normal situation. In previous years and in different versions, there were reports of situations where users of Pixel smartphones inadvertently received updates.

With Android 13 almost ready, Google is accelerating its pace of development. The final version should appear soon, thus paving the way for the expected update, both for the Pixel and for all other smartphones in the Google system.

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Blocks R21

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Blocks R21

Portuguese 3D printer startup Blocks will release a new model, the Blocks R21, which is due to hit the market in September. Fortunately, we were able to test the device already in its final version, which showed an impressive evolution compared to the previously tested model. One MKII.

This new printer features an all-aluminum construction, an LCD touch panel that allows you to control all printer settings. Among them is the calibration of the print tray, which, in addition to heating, has a metal coating with a texture that greatly contributes to the adhesion of the filament during printing.

Another important detail is the integration of all the main printing elements in one module, such as a two-block extruder and a hot end. The latter has a threaded screw for quick replacement, which allows you to replace the module with another one with a nozzle that is compatible with a particular type of filament. The variation can be from 0.2 to 1 mm – the hot end supplied with the printer is equipped with a 0.4 mm nozzle. This is to provide better print quality based on filament type, from traditional PLA to ABS, Flex, PETG, nylon, fiberglass, carbon fiber reinforced PET, PLA with metal or wood.

In terms of use, the Blocks R21 couldn’t be simpler and more intuitive thanks to the aforementioned LCD touch screen and a new tray that is easy to calibrate and requires a minimum amount of glue liquid (varnish). The fact that it uses an almost closed rigid construction, together with the integration of all units into a single module, made it feel quieter: it was even the quietest I have tested to date. Blocks R21 is priced to be considered “premium” and is available in a basic version, already with all the accessories you need to get started printing right away. However, we can buy it with an optional connection kit which, while pushing the price up to a less than pleasant €1,800, adds a Wi-Fi controller, webcam and temperature sensor so you can monitor print status remotely.

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Distributor: Blocks

Price: €1575


Data sheet

Print area: 210 x 300 x 250 mm
print speed: 60 mm/s
Connections: USB, SD card, WiFi
Compatibility: Windows, MacOS, Linux
Additionally: power cord, USB cable, USB stick, spatula, tweezers, calibration paper, adhesive spray,
Dimensions: 470 x 350 x 490 mm
Weight: 18 kg


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Learn about the extended RAM feature coming to mobile phones and tablets | Cell

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Learn about the extended RAM feature coming to mobile phones and tablets |  Cell

Virtual RAM, also known as RAM Plus – is a memory expansion feature that is increasingly used in cell phones from major manufacturers. brands like Samsung e xiaomi to make the feature available on some smartphones, such as Galaxy devices in the case of the South Korean one, and some models of the POCO, Redmi and Mi series, on the Chinese side. The function uses the free part of the cell’s memory to expand the RAM and thus improve the performance of the device. OUR Apple also recently announced such a feature for ipad.

The iPhone manufacturer revealed the functionality during the presentation of new items iPadOS 16 at the beginning of June. The operating system update will bring for those devices that are equipped with M1 or M2 processors, the replacement of virtual memory. According to Apple, the update will use ipad offer up to 16GB of storage to help run the heaviest apps like phones do android.

Samsung Galaxy A53 — Photo: Disclosure/Samsung

How virtual memory works

Virtual RAM is not native to devices and became available after a software update. That is, everything will depend on how up-to-date the user’s operating system is, and even so, this is a feature that is far from being released to everyone. The available size depends on the smartphone. when Samsungfor example, Galaxy A52S can be used additionally up to 4 GB, but Galaxy A53 you can use up to 8GB more via RAM Plus.

when Applewhich provides additional memory for iPad models only ipad 11″ Pro (3rd generation), ipad 12.9″ Pro (5th gen) and ipad Air 5th generation, equipped with the giant’s own processors, will be able to use this feature. OUR xiaomi more democratic, with more than 30 compatible devices, including Xiaomi Mi 11, Redmi Note 10 Pro 5G, Poco F3 and others.

Apple’s iPadOS 16 combines multiple overlapping windows into a single view – Photo: Handout/Apple

Benefits of using virtual RAM

Among the benefits of enabling virtual RAM is the ability to run multiple applications at the same time without crashing, as the system allocates storage according to the needs of the device – but, of course, within the limit set by the manufacturer. Heavier applications that require more from smartphones can be downloaded and used without delay.

RAM Plus can be accessed in the Samsung Android memory settings – Photo: Reproduction/Katarina Bandeira

Disadvantages of using virtual RAM

Despite the performance benefits, there are some limitations that the user must be aware of before enabling a significant amount of virtual RAM. First, even with the addition of RAM, the performance is not the same as the physical version. It is also not possible to disable this feature on devices that support this feature.

That is, if your phone has 128 GB of internal storage, at least 2 GB will be dedicated to the device’s virtual RAM, which will reduce the space to 126 GB. Also, using this feature to use a heavier application may result in performance degradation of other applications running in the background.

It is important to note that in order to use this function, the mobile phone must have free internal memory, that is, it cannot be occupied by files of any nature or systems. Otherwise, the function cannot be activated. on the site Samsung, the manufacturer itself warns of the limitation “RAM Plus is a technology that uses part of the smartphone’s internal memory as RAM. You must have free space on the internal memory, ”is written in small print on the manufacturer’s website.

Launch of Xiaomi, Mi 11 has sold over 1 million units. — Photo: Publicity/Xiaomi

How to find out the amount of virtual memory on your mobile

for instruments xiaomi, the path is almost the same: Settings > Advanced settings > Memory expansion and enable the function. On devices from both manufacturers, you must restart the cell phone after activating or selecting the amount of virtual RAM to use. When iPadOSYes Appledespite what has been announced, this feature will only be available when the new operating system becomes available for new devices, which should happen in the second half of the year.

with information from Samsung e Apple

Which one is better xiaomi? Take a look at the 3 most powerful cell phones in the video below.

What is better than Xiaomi? Meet the 3 most powerful mobile phones of 2022

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