Event ID - 5000

Event Id5000
SourceMSExchangeIS
DescriptionUnable to initialize the Microsoft Exchange Information Store service. Error non-database file or corrupted database.
Event InformationMicrosoft Exchange Server service account may not have the correct permissions. Verify the permissions on the Microsoft Exchange service account. Grant the service account administrator permissions.
According to Microsoft:
CAUSE 1:

The information store being restored is not an Exchange Server 5.5 information store.
WORKAROUND :
To work around this problem, do one of the following:
Restore the information store from an online backup or an offline copy of an Exchange Server 5.5 information store.
-OR-
Restore the incorrect version information store to its proper environment by installing the version of Exchange Server that corresponds with the version of the offline copies of the Priv.edb and/or Pub.edb files.

CAUSE 2:

This issue can occur if either of the following conditions is true:
The Exchange 2000 or Exchange 2003 Microsoft Exchange Information Store service (Store.exe) is using an account other than the system account.
The domain controller, the domain, or the Local Machine Security Policy does not include the Local Service account in the Generate security audits policy.
RESOLUTION :
To resolve this issue if the Microsoft Exchange Information Store service is using an account other than the system account, open Control Panel, and then configure the local system account as the account that starts the information store. For Exchange 2000 or Exchange 2003 to run properly, you must perform this resolution; when you run the DomainPrep utility, these accounts are given special rights.
To resolve this issue if the Local Service account has been removed from the domain controller, from the domain, or from the Local Machine Security Policy, configure the Generate security audits policy to include the Local Service account.

CAUSE 3:
This problem occurs because the Exchange 2000 Server Simple Mail Transfer Protocol (SMTP) Service extensions are either missing or
Reference LinksErr. Msg.: Information Store Fails to Start with Server-Specific Error 4294966090

You Cannot Install a Second Exchange 2000 Server in an Exchange 2000 Server Site and Event ID 9525, 1121, and 5000 Error Messages Are Logged

Event ID 7024 After You Install Exchange Server 2003, and Exchange Information Store Service Does Not Start

XADM: "2147500037" Error Message and Event IDs 1121 and 5000 When You Start the Information Store

Exchange Information Store Does Not Start and Events 1121 and 5000 Are Logged

XADM: Error 2186 Occurs When You Start the Microsoft Exchange Information Store Service

XADM: Directory Wont Start if System Date Later Than 2038

XADM: Service Specific Error 4015 Occurs When Information Store Starts

XADM: The Information Store Service May Fail to Start and an Error Message May Be Displayed

XADM: Information Store Stops While Processing Message

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