Hi @VDI1
Based on vRealize Operations 8.0.x Sizing Guidelines (75162) => https://kb.vmware.com/s/article/75162
| Maximum number of vCenter adapter instances | 120 |
For Licensing can't help but check it first => https://www.vmware.com/content/dam/digitalmarketing/vmware/en/pdf/products/vrealize/vmware-vrealize-...
Regards