Moderate Severity
0x800706ba Error: RPC Server Is Unavailable
Error 0x800706ba means the Remote Procedure Call (RPC) server cannot be reached. RPC is a Windows service that enables communication between processes, including across the network. This error affects remote management, printer connections, Active Directory, and many other Windows networking functions.
Common Causes
- RPC service not running on target machine
- Windows Firewall blocking RPC traffic
- Target computer is offline or unreachable
- Network connectivity issues
- DNS name resolution failure
- RPC endpoint mapper service stopped
- VPN or network routing issues
Symptoms
- Cannot manage remote computers
- Print spooler connections fail
- Active Directory replication errors
- Group Policy update failures
- Remote desktop connection issues
- WMI queries to remote machines fail
How to Fix 0x800706ba
- Verify the RPC service is running on the target computer
- Allow RPC through Windows Firewall on both machines
- Check that the target computer is online and reachable
- Verify DNS resolution for the target hostname
- Restart the RPC and RPC Endpoint Mapper services
- Check for network connectivity issues between machines
- Ensure no firewall or VPN is blocking the required ports
What Is Error
Error code 0x800706ba is a Windows HRESULT error code that translates to "RPC Server Is Unavailable". HRESULT codes are hexadecimal values used throughout the Windows operating system to indicate specific error conditions. When you see this error, it means Windows or an application encountered the condition described above and could not continue the operation.
The error code format breaks down as follows: the leading 0x8 indicates a failure, the next digits identify the facility (the Windows subsystem that generated the error), and the remaining digits specify the exact error condition.
How Serious Is
Error 0x800706ba is not typically an emergency, but it will prevent certain operations from completing. You can continue using your computer for other tasks while troubleshooting. Work through the fixes below in order, starting with the simplest solutions.