Introduction :
Captured some technical issues during migration of apex from 4.0 to 4.2.
Problem 1 : Login Issue.
Unable to login to the Apex application.
Solution : Remove the old APEX user (4.0) after upgrade.
Problem 2 : Session State Protection Violation Error.
Solution : Set the “Save Session State” property to “No”.
Problem 3 : Item Alignment Issue.
Before Upgrade
After Upgrade
Solution : Set property “Start in New Grid” to “Yes” for the first button.
Conclusion:
Based on the above queries,can avoid such issues during the migration period.
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