The SetArpAlwaysSourceRoute method is used to set the transmission of ARP queries by the TCP/IP. The method returns an integer ...

The SetArpAlwaysSourceRoute method is used to set the transmission of ARP queries by the TCP/IP. The method returns an integer value that can be interpretted as follows: 
0 - Successful completion, no reboot required
1 - Successful completion, reboot required
64 - Method not supported on this platform
65 - Unknown failure
66 - Invalid subnet mask
67 - An error occurred while processing an Instance that was returned
68 - Invalid input parameter
69 - More than 5 gateways specified
70 - Invalid IP  address
71 - Invalid gateway IP address
72 - An error occurred while accessing the Registry for the requested information
73 - Invalid domain name
74 - Invalid host name
75 - No primary/secondary WINS server defined
76 - Invalid file
77 - Invalid system path
78 - File copy failed
79 - Invalid security parameter
80 - Unable to configure TCP/IP service
81 - Unable to configure DHCP service
82 - Unable to renew DHCP lease
83 - Unable to release DHCP lease
84 - IP not enabled on adapter
85 - IPX not enabled on adapter
86 - Frame/network number bounds error
87 - Invalid frame type
88 - Invalid network number
89 - Duplicate network number
90 - Parameter out of bounds
91 - Access denied
92 - Out of memory
93 - Already exists
94 - Path, file or object not found
95 - Unable to notify service
96 - Unable to notify DNS service
97 - Interface not configurable
98 - Not all DHCP leases could be released/renewed
100 - DHCP not enabled on adapter
Other - For integer values other than those listed above, refer to Win32 error code documentation.