| Details |
| Product: | Exchange |
| Event ID: | 602 |
| Source: | ESE |
| Version: | 6.5.0000.0 |
| Message: | process name (process id) nameDatabase '%4': Background clean-up skipped pages. The database may benefit from widening the online maintenance window during off-peak hours. If this message persists, offline defragmentation may be run to remove all skipped pages from the database. |
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| Explanation |
| The background cleanup skipped pages. This message indicates that an offline defragmentation of the Information Store database should be performed. Offline defragmentation should be performed on each database separately. |
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| User Action |
| Perform offline defragmentation of the Information Store database by using the Eseutil.exe utility with the /d switch to defragment the database file. Note that the disk space required is equal to twice the size of the database being processed. |