You are recommended by Microsoft to install KB951297, which also part of the general SharePoint infrastructure upgrade.
If you are, as I am, running Windows SharePoint V3 and Microsoft Search Server Express 2008 then Microsoft recommends:
“you should install the Infrastructure Update for Windows SharePoint Services 3.0 (KB951695) first and the Infrastructure Update for Microsoft Office Servers (KB951297) second.”
which is luckily the way that I did it after discovering that there was a separate update for Search Server Express 2008.
Be warned that the update for Search Server Express 2008 is part of the general Infrastructure update for Microsoft Office Servers, so the download is over 200MB (since it contains updates for ALL Office Server products). Also take heed of this from Microsoft:
It is strongly recommended that you install Windows SharePoint Services 3.0 Service Pack 1 and Office Servers Service Pack 1 before installing the Infrastructure Update for Microsoft Office Servers (KB951297) and the Infrastructure Update for Windows SharePoint Services 3.0 (KB951695).
Otherwise the update went smoothly and I haven’t seen any issues after a reboot. Fingers crossed.
CIAOPS 