File hyper-v.kvp.gethostname.patch of Package hyper-v.16299

--- a/hyper-v.tools.hv.hv_kvp_daemon.c
+++ b/hyper-v.tools.hv.hv_kvp_daemon.c
@@ -1335,6 +1335,7 @@ kvp_get_domain_name(char *buffer, int le
 	struct addrinfo	hints, *info ;
 	int error = 0;
 
+	return;
 	gethostname(buffer, length);
 	memset(&hints, 0, sizeof(hints));
 	hints.ai_family = AF_INET; /*Get only ipv4 addrinfo. */
@@ -1572,6 +1573,12 @@ int main(int argc, char *argv[])
 
 		switch (hv_msg->body.kvp_enum_data.index) {
 		case FullyQualifiedDomainName:
+			/*
+			 * The API is undocumented.
+			 * The Host can not possibly care about DNS within the guest network
+			 * The time it takes to get the hostname is much shorter than a DNS lookup.
+			 */
+			gethostname(full_domain_name, sizeof(full_domain_name));
 			strcpy(key_value, full_domain_name);
 			strcpy(key_name, "FullyQualifiedDomainName");
 			break;