How to defrag index on system tables

Hi experts!  I have a couple of databases that have highly fragemented indexes on system tables (scan density ~16%).  I can't use either INDEXDEFRAG or DBREINDEX on system tables and am not sure how to fix these.  

These databases support Sharepoint Portal server 2003.

Thanks!
Teiwaz
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teiwazAsked:
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pai_prasadCommented:
try dbcc updateusage

from BOL

DBCC UPDATEUSAGE
Reports and corrects inaccuracies in the sysindexes table, which may result in incorrect space usage reports by the sp_spaceused system stored procedure.

teiwazAuthor Commented:
Nope, that didn't do anything (or very little) to scan density/local fragmentation.

I guess another question is: does it matter if the system tables are fragemented?

teiwaz
pai_prasadCommented:

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teiwazAuthor Commented:
Thanks!  

So, two things pointed out in that article:

1. can't defrag system tables
2. shouldn't make any difference

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Microsoft SQL Server

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