Assistance

Morning everyone,
Please I need your assistance.
We are deploying an SPP for our client but we faced 2 problems
- When first try to register Windows server in SPP we got a WMI error. We tried to fix it with RPC server config but now we have this message "Verify" connectivity. (We tried with a device in the same VLAN)
- Secondly with cisco router, we added ISR router with Cisco IOS XE Software version 15.5. but we cannot add router with Cisco IOS software C800 version 15.3. When we checked the SPP guide, we can see Cisco (510) version supported : 15.X