Copy the contents of the "CustomImages" folder from Web Server 1 to Web Server 2. The steps to do this are below:
1) Upload the custom logo to the Web Interface on one Web Server.
2) On the Web Server you performed step 1, navigate to the following folder:
c:\Program Files\One Identity\Active Roles\7.2\Web\Public\CustomImages
3) Copy the contents of the "CustomImages" folder from Web Server 1 to the "CustomImages" folder on Web Server 2.