If both machines are using Firefox ESR 32-bit, check the Java Control Panel and ensure the Mozilla checkbox is checked for Default Java for Browsers in Advanced tab, and the java plugin is 32-bit on both machines.
How do I know if my firefox is 32 or 64bit?
I followed below instruction but it does not show.
About Firefox window
You can find what version of Firefox you are using in the About Firefox window. Click the Firefox menu button , click help and select About Firefox. (32-bit) or (64-bit) will be shown under the Firefox name, after the version number.
you are using java 1.6 with FF 49 version
check the certification matrix fromt he below note
check the section 3
R12: Recommended Browsers for Oracle E-Business Suite (Doc ID 389422.1)
Hi Shaik, Michael, and ALL,
I am confused
What version of IE or FF can can access all version of EBS? e.g. 11i, 12.0, 12.1, & 12.2
Is this possible?
Please check the following -
2. Open Java from Control panel and select tab - Security and Put URL which you are accessing.
Thanks Prasant and ALL
The issue was that the addon JavaTM was disabled