This is a known issue affecting vRealize Automation 7.4 and 7.5.
This issue is resolved in vRealize Automation 7.6, available at
VMware Downloads.
Workaround:
To work around this issue:
- Create a temporary Network Range within the same network profile.
- Edit the Start IP and End IP within the temporary range.
- While editing the temporary network range, select the network range and click Cancel.
- Click the range within the network you are attempting to edit.
Note: You are now able to edit the range.
- Remove the temporary network range.
- Click Save.