OID value: 1.3.6.1.4.1.311.2
OID description:
This is IMO the more appropriate
'URL that points to further information' entry for 1.3.6.1.4.1.311
I guess the spot to look for all/most of MS OIDs might be the
following Knowledgebase article
http://support.microsoft.com/default.aspx?scid=kb;en-us;287547
See also the OID Repository website reference for 1.3.6.1.4.1.311.2