Question4Replies3530Views AnandP Member since 2013 133 posts Swedbank AB Posted: 1 year agoLast activity: 11 months 1 week ago Solved Pega 8.1 upgradeHi,Our application is built on Pega 7.2.2 along with CRM 7.22 and we are planning to upgrade it on Pega 8.1. Below is our configuration:--Application Server: IBM WebSphere Application Server/8.5 OS: Linux 2.6.32-754.3.5.el6.x86_64 JDK: 1.7.0 Database: Oracle Database 12c Enterprise Edition Release 184.108.40.206.0I would need some guidelines related to Pre-Upgrade Effort Assessment, Estimation etc. Also I want to know if we can change our application server to Websphere Liberty or not during upgrade process.. Low-Code App Development Upgrades ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Accepted Solution Posted: 1 year agoJakub PEGA replied to AnandPHi, There are official document how to start working on upgrades to Pega 8.1 from previous versions. https://community.pega.com/knowledgebase/documents/pega-marketing-81-up… https://community.pega.com/knowledgebase/documents/pega-platform-81-upg… Posted: 11 months agoRyanLoatoz SINARMASMSIGLIFE replied to JakubThis comment/reply has been branched into a new post Posted: 1 year agoJakub PEGA replied to AnandP I would need some guidelines related to Pre-Upgrade Effort Assessment, Estimation etc. Also I want to know if we can change our application server to Websphere Liberty or not during upgrade process.. I think that in order to mitigate risk it will be good to make this activity in two steps rather than in one. It will be easier to determine if an upgrade was successful. Posted: 1 year agosmitdi PEGA replied to AnandPFor the Pega 7 upgrade, there was an upgrade estimation tool available on the Pega Exchange. Are there any plans to provide something similar for an upgrade from 7.x to 8.1?