Microsoft KB Archive/260532

= Files ending in .ifs may appear in folder containing database log files =

Article ID: 260532

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Enterprise Edition
 * Microsoft Exchange Server 2003 Standard Edition
 * Microsoft Exchange 2000 Server Standard Edition

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This article was previously published under Q260532



SUMMARY
During the operation of Microsoft Exchange Server 2003 or Microsoft Exchange 2000 Server, you may notice several files that end in .ifs in the Mdbdata folder (or wherever you have the database files stored).



MORE INFORMATION
For example, the following information is a directory listing taken while an Exchange 2000 Server computer was running:

D:\Program Files\Exchsrvr\MDBDATA>dir Volume in drive D has no label. Volume Serial Number is F035-47CB

Directory of D:\Program Files\Exchsrvr\MDBDATA

04/13/2000 10:21a      . 04/13/2000 10:21a                .. 04/13/2000 10:17a          59,461,872 2.STF 04/13/2000 10:12a             262,144 812135E0-10787D.IFS 04/13/2000 10:21a               8,192 E00.chk 04/13/2000 10:21a           5,242,880 E00.log 04/12/2000 05:04p           5,242,880 E0000001.log 04/13/2000 10:00a           5,242,880 E0000002.log 04/13/2000 10:01a           5,242,880 E0000003.log 04/13/2000 10:01a           5,242,880 E0000004.log 04/13/2000 10:02a           5,242,880 E0000005.log 04/13/2000 10:02a           5,242,880 E0000006.log 04/13/2000 10:02a           5,242,880 E0000007.log 04/13/2000 10:02a           5,242,880 E0000008.log 04/13/2000 10:03a           5,242,880 E0000009.log 04/13/2000 10:03a           5,242,880 E000000A.log 04/13/2000 10:03a           5,242,880 E000000B.log 04/13/2000 10:04a           5,242,880 E000000C.log 04/13/2000 10:04a           5,242,880 E000000D.log 04/13/2000 10:05a           5,242,880 E000000E.log 04/13/2000 10:05a           5,242,880 E000000F.log 04/13/2000 10:14a           5,242,880 E0000010.log 04/13/2000 10:14a           5,242,880 E0000011.log 04/13/2000 10:14a           5,242,880 E0000012.log 04/13/2000 10:14a           5,242,880 E0000013.log 04/13/2000 10:14a           5,242,880 E0000014.log 04/13/2000 10:15a           5,242,880 E0000015.log 04/13/2000 10:15a           5,242,880 E0000016.log 04/13/2000 10:15a           5,242,880 E0000017.log 04/13/2000 10:15a           5,242,880 E0000018.log 04/13/2000 10:16a           5,242,880 E0000019.log 04/13/2000 10:16a           5,242,880 E000001A.log 04/13/2000 10:16a           5,242,880 E000001B.log 04/13/2000 10:16a           5,242,880 E000001C.log 04/13/2000 10:18a           5,242,880 E000001D.log 04/13/2000 10:18a           5,242,880 E000001E.log 04/13/2000 10:18a           5,242,880 E000001F.log 04/13/2000 10:19a           5,242,880 E0000020.log 04/13/2000 10:19a           5,242,880 E0000021.log 04/13/2000 10:20a           5,242,880 E0000022.log 04/13/2000 10:20a           5,242,880 E0000023.log 04/13/2000 10:21a           5,242,880 E0000024.log 04/13/2000 10:21a         108,011,520 priv1.edb 04/13/2000 10:12a         121,643,008 priv1.stm 04/13/2000 09:56a           4,202,496 pub1.edb 04/13/2000 09:56a           4,202,496 pub1.stm 04/12/2000 05:02p           5,242,880 res1.log 04/12/2000 05:02p           5,242,880 res2.log 04/13/2000 09:56a           1,056,768 tmp.edb 47 File(s)   503,320,816 bytes 2 Dir(s)    923,422,720 bytes free These .ifs files are temporary files that are used during the normal operation of the Information Store service to cache directory listings and Exchange Installable File System (IFS) Master File Table (MFT) listings. The .ifs files are created with the FILE_FLAG_DELETE_ON_CLOSE flag set. The Information store process automatically deletes these files, and if any .ifs files are accidentally left behind (if the server stops responding, for example), they should all be deleted when the Information Store service starts. It is dangerous to delete .ifs files manually when Information Store service is running, but you can delete them safely when that service is not running.

Keywords: kbinfo KB260532

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