When it comes to installing custom software on dedicated servers, several limitations may affect the process. Firstly, compatibility issues may arise, especially if the software requires specific dependencies or configurations that are not supported by the server's operating system or hardware. Additionally, some dedicated server providers impose restrictions on the types of software that can be installed to ensure security and stability across their infrastructure. Furthermore, licensing constraints may come into play, as certain software may require individual licenses for each server it is installed on, leading to additional costs and administrative overhead. Additionally, resource limitations such as disk space, memory, and processing power can impact the ability to install and run custom software effectively. It's crucial for server administrators to thoroughly assess these limitations and plan accordingly to ensure smooth operation and compliance with provider policies.