Action
Restart the Information Store.
For more information, see the web page http://support.microsoft.com/kb/945424/
en-us.
Problem
Microsoft Exchange Server 2003 aborts the backup if the shadow copy creation takes
over 20 seconds
If an Exchange Server 2003 Writer is being backed up, the session can fail with
VSSBAR reporting:
Snapshot could not be created.
In the application event log on the application system, the following event is recorded:
Event Type: Error
Event Source: ESE Event
Category: (16)
Event ID: 2004
Information Store (4916) Shadow copy 3 time-out (20000 ms).
Action
The following can help to solve the problem:
• Limit the number of users that are accessing the management system.
• Reduce the number of volumes in a snapshot set. Create a backup specification
dedicated to each storage group instead of one specification for the whole server.
See “Microsoft Exchange Server writer backup specifics” on page 370.
Problem
Snapshots (volume shadow copies) creation fails with EVA provider
During a VSS backup, the following error is displayed:
[Critical] It was not possible to create Volume Shadow Copies.
If there are too many source volumes selected for backup (more than four) it may
happen that the creation of snapshots takes too long and VSS fails the snapshots
creation process.
Zero downtime backup integration guide 411
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