MSExchangeIS 9518 (0xfffffbf8): Missing Required Permissions on Exchange Database Folder or Drive
[This topic is intended to address a specific issue called out by the Exchange Server Analyzer Tool. You should apply it only to systems that have had the Exchange Server Analyzer Tool run against them and are experiencing that specific issue. The Exchange Server Analyzer Tool, available as a free download, remotely collects configuration data from each server in the topology and automatically analyzes the data. The resulting report details important configuration issues, potential problems, and nondefault product settings. By following these recommendations, you can achieve better performance, scalability, reliability, and uptime. For more information about the tool or to download the latest versions, see "Microsoft Exchange Analyzers" at https://go.microsoft.com/fwlink/?linkid=34707.]
Topic Last Modified: 2007-03-15
The Microsoft Exchange Database Troubleshooter tool detected one or more MSExchangeIS 9518 events with error code 0xfffffbf8 in the Application log. This indicates that the folder or drive that contains the Exchange database(s) does not have the appropriate permissions assigned to them.
Explanation
This error indicates that the folder or drive that hosts the Exchange database files does not have the permissions assigned that are required to perform minimum functions. You may experience difficulties in accessing or mounting the mailbox stores or public folder stores.
User Action
To resolve the issue, grant the default permissions to the folder that contains the Exchange databases and to the drive on which this folder resides.
To grant the default permissions to the folder that contains the Exchange databases in Exchange 2007
Start Windows Explorer, and then navigate to the folder that contains the Exchange databases. By default this is C:\Program Files\Microsoft\Exchange\Mailbox\Storage Group Name\
Right-click that folder and then click Properties.
Click the Security tab, and then grant the following default permissions
| Account | Permissions |
|---|---|
Administrators |
Full Control |
System |
Full Control |
To grant the default permissions to the drive that contains the Exchange databases in Exchange 2007
Start Windows Explorer.
Right-click the Local Disk object that contains the Exchange database folder, and then click Properties.
Select the Security tab, and then grant the following default permissions, depending on the operating system installed:
For Windows 2000 Server:
| Account | Permissions |
|---|---|
Everyone |
Full Control |
For Windows Server 2003:
| Account | Permissions |
|---|---|
Administrators |
Full Control |
Creator Owner |
None |
Everyone |
None |
System |
Full Control |
Users |
Read and Execute, List Folder Contents, Read |
To grant the default permissions to the Mdbdata folder Exchange 2000 Server and Exchange Server 2003
Start Windows Explorer, and then navigate to and expand the Exchsvr folder.
Right-click the Mdbdata folder, and then click Properties
Click the Security tab, and then grant the following default permissions:
| Account | Permissions |
|---|---|
Administrators |
Full Control |
Authenticated Users |
Read and Execute, List Folder Contents, Read |
Creator Owner |
None |
Server Operators |
Modify, Read and Execute, List Folder Contents, Read, Write |
System |
Full Control |
To grant the default permissions to the drive that contains the Mdbdata folder in Exchange 2000 Server and Exchange Server 2003
Start Windows Explorer.
Right-click the Local Disk object that contains the Mdbdata folder, and then click Properties.
Select the Security tab, and then grant the following default permissions, depending on the operating system installed:
For Windows 2000 Server:
| Account | Permissions |
|---|---|
Everyone |
Full Control |
For Windows Server 2003:
| Account | Permissions |
|---|---|
Administrators |
Full Control |
Creator Owner |
None |
Everyone |
None |
System |
Full Control |
Users |
Read and Execute, List Folder Contents, Read |
For More Information
For more information about this issue, see Microsoft Knowledge Base article 823022, "Event ID 490 is logged, and you receive the following error message when you try to mount the mailbox store or the public store in Exchange Server: "ID No: c1041724"" (https://go.microsoft.com/fwlink/?linkid=3052&kbid=823022).