Steps To Replicate the issue
1 Install Release Control 9.20 on my widows 2012.
2 Apply Release Control 9.21 patch 3.
3 Create an Service Manager adapter and while trying to put adapter on Release Control, browse button is always deactivated. ( Refer to screen shot browse_button_deactivated.png)
Release Control 9.21 Support Internet Explorer 11.
Use the IE Compatibility View Settings as a work around this issue ( Refer to screen shot Compatibility_View_Settings.jpg) and browse button will be activated.