# Service requirements
> The requirements for each of the CapaInstaller services.
Source: https://docs.capaone.com/capainstaller/installation-and-maintenance/software-requirements/service-requirements/
Product: CapaInstaller — a separate CapaSystems product; do not apply this page to any other.
| | | |
|:-------------------------------------------------------------------------------------------------------------------------------------------|:-------------------------------------------------------------------------------------------------------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Server Operating systems**
- Windows Server 2016
- Windows Server 2019
- Windows Server 2022
- Windows Server 2025 | **Client Operating Systems**
- Windows 7
- Windows 8.1
- Windows 10
- Windows 11 | **Database Servers**
- Microsoft SQL Server 2016 (SQL authentication)
- Microsoft SQL Server 2019 (SQL authentication)
- Microsoft SQL Server 2022 (SQL authentication) |
:::note[Important]
- SQL Server must have the TCP/IP protocol enabled and the firewall must be opened for incoming SQL traffic. and SQL Reporting Services must be included in order to support the CapaInstaller Reporting feature.
- When using SQL Server express it must be SQL Express with Advanced Services to support SQL Reporting
- From version 2012 and above Windows Authentication is no longer supported for service logins. SQL logins should be used!
:::