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Warning

Zephyr must run in an isolated instance where there is no Jira running or any other Tomcat.

Zephyr should only be installed on its' own server. If you are running a Jira instance, it should be installed on a different server.
We recommend you to have Zephyr installed on a separate instance from where you have your Jira/Tomcat installed.

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OS	Windows Server 2008 / 2012 / 2016 / 2019 Windows 7 Enterprise / Windows 8 Enterprise / Windows 10 Enterprise
CPU	Quad-core CPU Intel Pentium or AMD Opteron (2Ghz or higher)
RAM	Minimum 8GB; Preferred 12GB RAM recommendations can be found here
Disk Space	At least 5GB Free (250GB-1TB recommended for large enterprise installations)
Networking	Wired Ethernet Static IP address REQUIRED† Ports: 80, 443 (if HTTPS) Firewall (if present): Allow ports 80, 443 (if HTTPS). Must support WebSocket protocol Proxy (if present): Must support WebSocket protocol
Account	Administrator access to the machine Installer and services needs to "Run As Administrator"
Software	Java: Oracle JDK 8 Oracle JDK must be JDK 8u101 or higher. JRE is not supported Note: NO other Tomcat or MySQL can be installed on the machine. JRE is not supported†† Please refer to Note on Oracle JDK License Update
Database	MySQL 5.6 or 5.7 series

OS	RedHat Enterprise 64-bit CentOS 64-bit Ubuntu/Debian 64-bit SUSE/openSUSE 64-bit
CPU	Quad-core CPU Intel Pentium or AMD Opteron (2Ghz or higher)
RAM	Minimum 8GB; Preferred 12GB
Disk Space	At least 5GB Free (250GB-1TB recommended for large enterprise installations)
Networking	Wired Ethernet Static IP address REQUIRED† Ports: 80, 443 (if HTTPS) Firewall (if present): Allow ports 80, 443 (if HTTPS). Must support WebSocket protocol Proxy (if present): Must support WebSocket protocol
Account	Superuser (root) access to the machine Installer and services needs to run as "root"
Software	Java: Oracle JDK 8 Oracle JDK must be JDK 8u101 or higher. JRE is not supported Please refer to Note on Oracle JDK License Update MySQL Connector- JDBC 5.1.40 Note: NO other Tomcat or MySQL can be installed on the machine. JRE is not supported††
Database	MySQL 5.6 or 5.7 series

OS	Any Desktop OS
Browser	Any one of these versions that support Web Sockets: Chrome Firefox Safari Internet Explorer 11 is not recommended
Networking	Client machine must have access to port 80 for HTTP connection (or 443 for HTTPS) to the Zephyr Server
Other	Screen resolution of 1280x1024 (1280x900 for widescreen) or higher

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80, 443(if HTTPS), 8005 and 8009 are used by tomcat and can be configured in the server.xml file under zephyr\tomcat\conf\
3306 is used by MySQL in Linux and configured in the my.cnf
9300 is used by Elastic searchElasticsearch
5701, 5702, 37000, 37001 are used by Hazelcast

Software Version Explained:

Elasticsearch 56.58.0 1 is strictly required for installing Zephyr Server.
The MySQL software has to be the major/minor (5.6.X or 5.7.X) version
No other MySQL should be present on the server instance
Oracle JDK must be JDK 8u101 or higher. JRE is not supported
Zephyr Enterprise Server for Windows includes MySQL in the installation package on top of allowing remote MySQL
Zephyr Enterprise Server for Linux requires a separate installation of MySQL not included in the installation package on top of allowing remote MySQL

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