Issue:- While crawling .pdf documents, some documents are crawled successfully and some are not. This can happen for either Adobe PDF iFilter or FoxIt PDF iFilter.

Error:- "The file Exists. (Exception from HRESULT: 0x80070050)".

Resolution:-

In case you are using Adobe PDF iFilter, follow below steps.

1.  Change the Registry key for ‘Default’ under \\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office Server\14.0\Search\Setup\ContentIndexCommon\Filters\Extension to“{E8978DA6-047F-4E3D-9C78-CDBE46041603}”

a. net stop osearch14

b. Net start osearch14

 

In case you are using FoxIt PDF iFilter, Follow below steps.

1.  Change the Registry key for ‘Default’ under \\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office Server\14.0\Search\Setup\ContentIndexCommon\Filters\Extension to“{987f8d1a-26e6-4554-b007-6b20e2680632}”,

a. net stop osearch14

b.Net start osearch14