Indexing PDF documents in WSS 3.0

if you have saved some PDF documents in WSS 3.0 document library;but ni pdf documents are returned in the search results then read the following KB article on Microsoft which describes how to install adope pdf ifilter, the steps as described in the article are:   1. Download and then install the Adobe PDF IFilter from the following Adobe Web site: http://www.adobe.com/support/downloads/detail.jsp?ftpID=2611 (http://www.adobe.com/support/downloads/detail.jsp?ftpID=2611) Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information. 2. Add the following registry entry, and then set the registry entry value to pdf: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\12.0\Search\Applications\<GUID>\Gather\Search\Extensions\ExtensionList\38 To do this, follow these steps: a. Click Start, click Run, type regedit, and then click OK. b. Locate and then click the following registry subkey: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\12.0\Search\Applications\GUID\Gather\Search\Extensions\ExtensionList c. On the Edit menu, point to New, and then click String Value. d. Type 38, and then press ENTER. e. Right-click the registry entry that you created, and then click Modify. f. In the Value data box, type pdf, and then click OK. 3. Verify that the following two registry subkeys are present and that they contain the appropriate values. Note These registry subkeys and the values that they contain are created when you installed the Adobe PDF IFilter on the server. • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\12.0\Search\Setup\ContentIndexCommon\Filters\Extension\.pdf This registry subkey must contain the following registry entry: • Name: Default Type: REG_MULTI_SZ Data: {4C904448-74A9-11D0-AF6E-00C04FD8DC02} • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\12.0\Search\Setup\Filters\.pdf This registry subkey must contain the following registry entries: • Name: Default Type: REG_SZ Data: (value not set) • Name: Extension Type: REG_SZ Data: pdf • Name: FileTypeBucket Type: REG_DWORD Data: 0×00000001 (1) • Name: MimeTypes Type: REG_SZ Data: application/pdf 4. Upload the PDF documents to the Windows SharePoint Services 3.0 Web site. 5. Stop and then start the Windows SharePoint Services Search service. To do this, follow these steps: a. Click Start, click Run, type cmd, and then click OK. b. Stop the Windows SharePoint Services Search service. To do this, type net stop spsearch at the command prompt, and then press ENTER. c. Start the Windows SharePoint Services Search service. To do this, type net start spsearch at the command prompt, and then press ENTER. d. Type exit to exit the command prompt.