You can troubleshoot general problems that might occur when using the VMware Horizon Management Pack. Collection Fails for vRealize Operations with Horizon MPCollection Fails for vRealize Operations with Horizon MP Datacenter KPI Under Performance is Shown as EmptyDatacenter KPI (%) Under Performance is Shown as Empty Network KPI Under Performance Group Is Shown as EmptyNetwork KPI under Performance Group is shown as empty VDI Pool Objects In Not Existing State Dashboards and Summary Pages Not Displaying DataThe Horizon Dashboard and Summary pages are not displayed data. Failed to Login to Horizon Server REST APIRead Timeout error message is thrown while trying to login to Horizon Server REST API or com.vmware.vrho.adapter.HorizonAdapter.onTest - Exception occured while testing the adapter instance or com.vmware.vrho.adapter.utils.exceptions.HorizonAdapterRuntimeException: Invalid User Credential. Error Message When You Congifure the MP4H AdapterMP4H configuration cannot proceed and issues an error message when you try to validate the connection. Parent topic: VMware vRealize Operations Management Pack for Horizon