Mailbox stores are the most critical components and If corrupted, mailbox store causes serious problems in the working of an organization. Corruption usually affects Priv1.edb file and occurs because of typical reasons like, database dirty shutdown, anti-virus software scan, virus infection, and network issues.
A storage group in Microsoft Exchange Server Information Store contains
one or more mailbox stores, depending on the version of Exchange Server
you use and requirements of the organization. Mailbox stores are the
most critical components from data preservation perspectives as they
comprise of system and user mailboxes. If corrupted, mailbox store
causes serious problems in the working of an organization. A mailbox
store is further comprised of two files, namely Priv1.edb and
Priv1.stm. Corruption usually affects Priv1.edb file and occurs because
of typical reasons like, database dirty shutdown, anti-virus software
scan, virus infection, and network issues. When corrupted, EDB file on
being accessed, prompts errors under a few event IDs, which can be read
from application event log. Following is one such event IDs that
generally occurs because of database corruption and requires
EDB Recovery solutions.
Suppose you are an Exchange Server administrator with a mailbox store
that contains hundreds of user mailboxes. Since the store contains
critical information required for uninterrupted working of the
organization, its consistency cannot be compromised. But you observe
that the below mentioned event ID is repeatedly observed in application
event log:
Event Type: Error
Event Source: MSExchangeIS Mailbox Store
Event Category: Rules
Event ID: 1148
Date: date
Time: time
User: N/A
Computer: Computer_Name
Description:
A rule synchronization error (Read verification error) has occurred.
For more information, see Help and Support Center at go.microsoft.com/fwlink/events.asp.
This error occurs irrespective of the fact that all Exchange Server services are working without any issue.
Cause
Exchange database is corrupt.
Note: The same error can also occur if required data is missing.
Solution
Following are the possible solutions that can help you recover from such database corruption issues:
1. Run 'Eseutil' with '/r' switch for soft database recovery
2. Restore database from the last available backup
3. Execute 'Eseutil' with '/p' switch to repair the database. But make
sure to backup the database before running this command. This prevents
data loss.
4. Use a third-party EDB Recovery Tool to repair and restore the corrupted Exchange database
EDB Recovery Software are
exclusive tools built to scan and repair the damaged EDB database file
safely and effectively. One of the best utilities is Stellar Phoenix
Mailbox Exchange Recovery software with deleted mailbox recovery
capability, this EDB Recovery Tool supports MS Exchange Server 2007,
2003, 2000, and 5.5 and can extract individual mailboxes as *.pst files.
| Additional articles about Event 1148 |
|
|
| About the author |
Axel Culver has passion for writing Technical article. He is right now writing articles related to Product like EDB Recovery software and EDB Repair tool for MS Exchange Server. |
| Please Rate This Article |
Number of ratings: 0
Rating: 0