Ulysses Ludwig's SharePoint blog

Osearch {3D42CCB1-4665-4620-92A3-478F47389230} DCOM Error

Problem You SharePoint Front end or Index servers present the following error in the application event log.  The application-specific permission settings do not grant Local Activation permission for the COM Server application with CLSID {3D42CCB1-4665-4620-92A3-478F47389230} Explanation Your office search doesn’t have rights to execute. Resolution Osearch is our culprit, grant it permissions

Changing the location of the SharePoint Server Search Service Index File

Problem SharePoint Server Search Service is filling up your C:\ drive by writing its search index to C:\Program Files\Microsoft Office Servers\12.0\Data\Office Server\Applications. Explanation When you configure SharePoint one of the first services started is the SharePoint Server Search Service(MOSS 2007). It's a common mistake to allow your shared service provider to utilize the default search index location: C:\Program Files\Microsoft Office Servers\12.0\Data\Office Server\Applications ....