[DBT-50000] unable to check for available memory.

Are you installing Oracle Database on Windows machine?
You may come across the [DBT-50000] unable to check for available memory.
When you run installer using dbca.bat file, you many encounter DBT-50000 as shown in below screenshot.

This is due to a Bug 29686671

To over come this issue you should run the dbca.bat file with below option.

dbca -J-Doracle.assistants.dbca.validate.ConfigurationParams=false

Open command prompt - > go to the bin directory and run below command

dbca -J-Doracle.assistants.dbca.validate.ConfigurationParams=false

Hope this will helps

Thanks & Regards,

Chandan Tanwani

Oracle Performance Tuning Certified Expert