## Operating Environment **This is the environment in which we have confirmed operation.** ## Limitations 1. We recommend using the latest OS and browsers. Some older devices or OS versions may not operate properly. 1. From ver. 1.3.44 onwards, it does not work with IE and Edge's IE compatibility mode. 1. From ver. 1.4.0.0 onwards, CentOS 7 does not work as .NET 8 is no longer supported. 1. MySQL can be used from ver. 1.4.9.0 onwards. Pleasanter versions prior to ver. 1.4.9.0 do not support MySQL. ### Pleasanter **Windows** ||Name| |-|-| |OS|Windows Server 2016 / 2019 / 2022 / 2026| |Web Server|Internet Information Services 8.0 / 8.5 / 10.0| |DB Server|PostgreSQL 11 / 12 / 13 / 14 / 15 / 16 / 17 / 18<br>FUJITSU Software Enterprise Postgres 12 SP1 / 13<br>SQL Server 2019 / 2022 (Compatibility Level 130 or higher) / 2025<br>MySQL 8.4| |Platform|.NET 8 SDK / Hosting Bundle<br>.NET 10 SDK / Hosting Bundle| **Linux** ||Name| |-|-| |OS|Red Hat Enterprise Linux 8 / 9.7 / 10.1<br>Ubuntu 20.04 / 22.04 / 24.04<br>AlmaLinux 9.2 / 9.3 / 9.4 / 9.5 / 9.7 / 10.0 / 10.1| |Web Server|nginx 1.14.1 / 1.20 / 1.24.0<br>Apache 2.4.53| |DB Server|PostgreSQL 11 / 12 / 13 / 14 / 15 / 16 / 17 / 18<br>FUJITSU Software Enterprise Postgres 12 SP1 / 13<br>PowerGres on Linux 11<br>SQL Server 2019 / 2022 / 2025<br>MySQL 8.4| |Platform|.NET 8 SDK / .NET 10 SDK| ### Web Browsers 1. Chrome 1. Edge 1. Safari ## Recommended Specifications **On-Premises Environment** ||Recommended Specifications| |:--|:--| |CPU|2 cores or more| |Memory|4GB or more| |System Disk|60GB or more| |Data Disk|10GB or more<br>SSD is recommended.<br>Please prepare separately if considering space for backups, etc.| **Microsoft Azure Serverless Configuration** ||Recommended Specifications| |:--|:--| |App Service|S1 ACU 100 1.75GB memory or higher| |SQL Database|S3 DTU 100 250GB or higher| ## Supported Versions |Supported Version|Details| |:--|:--| |1.4.9.0 and later|MySQL 8.4 support| |1.5.0.0 and later|.NET 10 SDK support|