phpinfo() returns alot of stuff, there is a section titled "com_dotnet". What is that?

Here is what I get...

Code:
com_dotnet

COM support	enabled
DCOM support	disabled
.Net support	enabled

Directive	Local Value	Master Value
com.allow_dcom	0	0
com.autoregister_casesensitive	1	1
com.autoregister_typelib	0	0
com.autoregister_verbose	0	0
com.code_page	no value	no value
com.typelib_file	no value	no value