This article is focused on resolving the The RPC server is unavailable error. Access is denied indicates WMI was able to connect to the machine but the authentication attempt failed.The RPC server is unavailable incidates WMI wasn’t able to establish a connection with the machine.If the query failed, you’ll likely see one of a two errors.
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If the query succeeded, you will see the remote device’s hardware serial number as the returned value. Hit enter to execute the command and wait a few seconds for it to complete (sometimes it can take 15-30 seconds). For remotemachine, enter the IP or hostname of the device you are trying to scan. Is one of the remote device’s administrator accounts. If the remote device is not joined to a domain use you can drop DOMAIN\ and use simply username where the username Run the following WMIC (WMI command) from a command prompt on the server where Spiceworks is installed and running: C:\> wmic /user:"DOMAIN\username" /node:"remotemachine" systemenclosure get serialnumberįor DOMAIN\username, enter the domain and username for a Domain Admin account. You see one of the following error messages in Spiceworks: These devices show little to no information (model, OS, installed software, etc.). Configure Spiceworks host firewall settingsĪfter scanning your network, you see Windows “unknown” devices in Inventory.Configure Spiceworks host antivirus settings.In this article we’ll address two antivirus and firewall scenarios that could be causing scan related problems. Unable to properly communicate with and scan devices on your network. Configuring AV and firewall for scanning Applies to: InventoryĪnti-virus programs and firewalls installed on Windows devices you are trying to scan can block most or all of the communication to and from the server where you installed Spiceworks.