Event ID - 9519

Event Id9519
SourceMSExchangeIS
DescriptionDescription:
1.
Error 0xfffff05b starting database "First Storage Group\Mailbox Store (EXCHANGE)" on the Microsoft Exchange Information Store. Failed to attach to Jet DB.
2. "Error 0x451 starting database SharePoint Portal Server Group\SharePoint Portal Server Store on the Microsoft Exchange Information Store. Failed to configure MDB.
3.Error 0xfffffe07 starting database ""First Storage Group\Mailbox Store (ESEWEB)"" on the Microsoft Exchange Information Store.
Event InformationAfter you install Exchange 2000 Server Service Pack 3 (SP3) or later, the information store database does not mount.
This issue may occur when you upgrade any pre-SP3 version of Exchange 2000 Server to Exchange 2000 Server SP3 or to any later version. For example, if you try to upgrade Exchange 2000 SP2 to Microsoft Exchange Server 2003, you may experience this issue.
For resolution information, click on the link to Microsoft article.

According to Microsoft:
CAUSE 1:

This issue may occur if the version of SharePoint Portal Server that is installed on the server where you performed the backup operation is different from the version of SharePoint Portal Server that is installed on the server where you restore the backup to.
RESOLUTION :
To resolve this issue, make sure that the server where you perform the backup operation and the server where you restore the backup are running the same version of SharePoint Portal Server and the same SharePoint Portal Server service pack. For example, if you backed up the portal site on a computer that is running SharePoint Portal Server 2001 Service Pack 3 (SP3), make sure that the computer where you restore the backup is also running SharePoint Portal Server 2001 SP3.
To determine the version of SharePoint Portal Server that is installed on the server, compare the version of the Mssrch.dll file on each server. To do this, follow these steps:
1. Start Microsoft Windows Explorer, and then use one of the following methods:
If you are running SharePoint Portal Server 2001, locate the following folder:
Drive:\Program Files\Common Files\Microsoft Shared\MSSearch\Bin
If you are running SharePoint Portal Server 2003, locate the following folder:Drive:\Program Files\SharePoint Portal Server\Bin
2. Right-click the Mssrch.dll file, and then click Properties.
3. Click the Version tab, and then click File Versionunder Item name.
CAUSE 2 :
This behavior ca
Reference Links Database does not mount, and you receive error 0xfffff05b after you apply SP3 to Exchange 2000

You receive a Portal creation failed error message, and event ID messages are logged when you restore SharePoint Portal Server data to a computer that is running SharePoint Portal Server 2001 or SharePoint Portal Server 2003

Cannot Mount Database if You Are Backing Up Another Database in the Same Storage Group

XADM: Information Store Service Does Not Start After You Cancel or Remove an Installation of WinFax PRO

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