You can troubleshoot general problems that might occur when using the VMware Horizon Management Pack. What to read next Collection Fails for VMware Aria Operations Management Pack for HorizonCollection Fails for VMware Aria Operations Management Pack for Horizon 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 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 Configure the MP4H AdapterMP4H configuration cannot proceed and issues an error message when you try to validate the connection. Relationship fails between UnifiedAccessGateway and VirtualMachine objectsThe relationship between the objects, UnifiedAccessGateway and VirtualMachine, fails. Connection of redundant sessions to multiple UAG objectsRedundant sessions are connected to multiple UAG objects. Missing Helpdesk Metrics due to missing HelpDesk AgentSome of the metrics are depends on Helpdesk APIs. Telegraf Installation for UAG Servers With Version 21 and Above FailsTelegraf installation for UAG servers with version 21 and above fails Improved Error Handling While Configuring the Horizon AdapterHorizon Adapter improved error messaging to provide a detailed response to the potential root cause of connection validation failures. Parent topic: VMware Aria Operations Management Pack for Horizon