// Test service endpoint formatting
        String serviceEndpoint = "ncacn_ip_tcp:" + mockWitnessAddress.getHostAddress() + "[135]";
        assertNotNull(serviceEndpoint);
        assertTrue(serviceEndpoint.contains("ncacn_ip_tcp"));
        assertTrue(serviceEndpoint.contains("135"));

        // Test with mock service for integration validation

        this.context = context;
        
        try {
            // Create RPC handle to witness service
            this.handle = DcerpcHandle.getHandle(
                "ncacn_ip_tcp:" + serverAddress.getHostAddress() + "[135]",
                WITNESS_INTERFACE_UUID,
                WITNESS_INTERFACE_VERSION,
                context
            );