Additional notes when installing Application Cluster

You are planning to implement the Application Clustering feature, which was introduced in Version 12 Patch 25 and want to know the steps to take

1. There are various online help documents which will be useful to you:

• Application cluster: https://online-help.sageerpx3.com/erp/12/wp-static-content/public/Application%20Cluster%20Architecture/Default.htm
• Application: https://online-help.sageerpx3.com/erp/12/staticpost/installing-the-application-server/
• X3 Console: https://online-help.sageerpx3.com/erp/12/public/configuration-console_console.html

2. As Application Clusters use a Windows share for the shared disk location, you also need to be aware of the "rules" for setting up the X3 Runtime user account, as it will need access to this shared disk location.

All X3 runtime services should either run with the same Windows Active Directory (AD) account (not a local account) or with AD accounts that belong to the same AD group. Note that the AD account does NOT need to be an administrator of anything (Domain or even local administrators on the App/Runtime hosts) provided these rules are followed:

• The AD account MUST have "Log on as a service" privilege on all VMs where used to run a Sage X3 runtime service
• The AD account MUST have "Full control" on the whole of the X3 "..\Folders" hierarchy and also the "runtime\tmp" directory
• The AD account MUST have "Full control" on the network share that is configured for the "..\Folders" directory

3. Each Sage X3 Apps/Runtime server MUST use the same Windows disk location for the "..\Folders" directory. i.e. if the first Apps/runtime server has the Sage folders directory located in "D:\Sage\X3ERPV12" then all Apps/Runtime servers must use this same location

4. There are several relevant fixes in the X3 Console version 2.49.2 (Discussed in https://www.sagecity.com/gb/sage-x3-uk/f/sage-x3-uk-announcements-news-and-alerts/165845/alert-console-version-2-49-2-is-now-available ) so make sure you are on this version at minimum (Latest version of the Console is always best)

5. When setting up a Network mapped drive installation on your shared disk, having low latency is important to prevent long installation times, and for ongoing processing performance. It is therefore advised to have all X3 Application/Runtime servers, database servers and disk storage servers with the shortest possible network path, in order to get highest possible throughput AND lowest possible latency. e.g. located on the same network switch or same network subnet