Database files on a Microsoft Exchange Server 2007 server cannot be extended. Additionally, the following event is logged in the Application Log:
Event Type: Error Event Source: ESE Event Category: General Event ID: 482 Description: MSExchangeIS (<xxxx>) DatabaseName: An attempt to write to the file "<database path>" at offset <value> (<hex value>) for <value> (<hex value>) bytes failed after 0 seconds with system error 1450 (0x000005aa): "Insufficient system resources exist to complete the requested service. ". The write operation will fail with error -1011 (0xfffffc0d). If this error persists then the file may be damaged and may need to be restored from a previous backup.
This issue occurs because the NT file system (NTFS) fragmentation reaches the maximum size limit.
To resolve this issue, install the following update rollup:
2530488 Description of Update Rollup 3 for Exchange Server 2007 Service Pack 3
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.