Question4Replies3574Views AnandP Member since 2013 141 posts Swedbank AB Posted: October 26, 2018Last activity: September 3, 2019 Closed 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 188.8.131.52.0I 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! Moderation Team has archived post This thread is closed to future replies. Content and links will no longer be updated. If you have the same/similar Question, please write a new Question. Accepted Solution Posted: 2 years 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-upgrade-guide https://community.pega.com/knowledgebase/documents/pega-platform-81-upgrade-guide-ibm-websphere-application-server-liberty-2 Posted: 1 year agoRyanLoatoz SINARMASMSIGLIFE replied to JakubThis comment/reply has been branched into a new post Posted: 2 years 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: 2 years 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?