There are several reasons why big companies may prefer Windows Server over Linux. One reason is that many large companies already have a significant investment in the Microsoft ecosystem, including the use of other Microsoft products such as Exchange and Active Directory. Additionally, Windows Server may be more familiar to some IT professionals, making it easier to manage and troubleshoot. Furthermore, Windows Server has a large support ecosystem, including a wide range of third-party software and tools that are designed to work with it. Finally, Windows Server also offers a wider range of features and capabilities, such as support for .NET and other proprietary technologies.

Another important reason why big companies may prefer Windows Server over Linux is the issue of distribution fragmentation in Linux systems. Linux is an open-source operating system, which means that there are many different distributions (or „distros”) available, each with their own set of features and tools. This can make it difficult for companies to standardize on a single distribution, as different teams or departments may prefer different distros. This can lead to compatibility issues and increased complexity in managing and maintaining the IT infrastructure.

Additionally, different Linux distributions often have different release cycles, which can make it difficult to keep systems up to date and secure. Furthermore, different distributions may have different levels of support and different communities, which can make it more difficult to find help and resources when troubleshooting issues.

In contrast, Windows Server is developed and maintained by a single vendor (Microsoft), and there is a single version of the operating system that is updated and supported consistently. This can make it easier for companies to standardize on a single version of the operating system and keep systems up to date and secure.

Therefore, it can be said that the issue of distribution fragmentation in Linux systems is a significant consideration for big companies, as it can add complexity and increase the risk of compatibility issues and security vulnerabilities. This can make Windows Server a more attractive option for large organizations that require a stable, secure, and consistent operating system.