Verified on version 5.8.0.13-rc2.20170502165848_0f98658
The message "Deployment {} already exists on this server" is displayed on the dialog box and user can cancel or deploy the archive with different name. Please refer the attached screenshot.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2017:1367
Verified on version 5.8.0.13-rc2.20170502165848_0f98658 The message "Deployment {} already exists on this server" is displayed on the dialog box and user can cancel or deploy the archive with different name. Please refer the attached screenshot.