How to mount Exchange public folder store in Exchange Server 2003

The public folders in Microsoft Exchange are usedComputer: Exchange
for sharing access and facilitate in collecting,Error 0x8004010f starting database "First Storage
organizing, and sharing information with otherGroup\Public Information Store (Exchange)" on
contacts in your organization. These are wellthe Microsoft Exchange Information Store. For
structured and stored in databases. Also, you canmore information, click
replicate them between the Exchange servers.Cause:
However, some times you are not able to mountThis error has caused because the 0x8004010f
the public folder store. It could happen because oferror (ecNotFound-MAPI_E_NOT_FOUND) is listed
several reasons such as abrupt shutdown,in the 9519 event ID. There are two reasons for
Exchange transaction log file corruption, hardwarethis situation:
problems, etc. You should perform certain1.The first Exchange Server was deleted. Because
methods to resolve the issue. However, if youof this, the corresponding public folder store
are not able to address the situation then youmoves to the LostAndFound container.
should use a third-party Exchange recovery2.The old public store or the whole server is
software to perform Exchange Recovery.moved to the LostAndFound container.
Consider a scenario wherein you work on MSResolution:
Exchange Server 2003 Enterprise Edition. OneTo resolve this situation, you should perform
day, you attempt to mount on the Exchangeeither of the following methods:
public folder store but unable to do so. An error1.Use Active Directory Users and Computers to
message is displayed, that is:delete the public folder store (ExchangeOld) from
"An internal processing error has occurred. Trythe LostAndFound container. 
restarting the Exchange System Manager or the2.Use ADSI Edit to delete the public folder store
Microsoft Exchange Information Store service, or(ExchangeOld) from the LostAndFound container.
both.While performing the aforementioned methods,
ID no: c1041724you should ensure that the Default Public Store is
Exchange System Manager"addressing to an existing public folder store. The
When you check the Application event log, theproblem should be resolved using these methods.
following event ID message would be displayed:However, if the issue is not addressed then you
"Source: MSExchangeISshould use a third-party Exchange Server
Event ID: 9519recovery software to do the needful.
Type: Error