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Databases Become Dismounted Because of Lack of Disk Space

Article ID: 321825 - View products that this article applies to.

This article was previously published under Q321825

SYMPTOMS

Your Microsoft Exchange Server databases may become dismounted, and you may not be able to mount them again. If you examine the available disk space, you may find that the hard disk is almost full, and that the Application log contains some or all of the entries that follow:

Event Type: Error
Event Source: MSExchangeIS
Event Category: General
Event ID: 9518
Date: 2/7/2002
Time: 12:25:20 PM
User: N/A
Computer: 22-TSC-IIS
Description:
Error Log disk full starting Storage Group
/DC=LOCAL/DC=CONTACT/CN=CONFIGURATION/CN=SERVICES/CN=MICROSOFT
EXCHANGE/CN=CONTACT/CN=ADMINISTRATIVE
GROUPS/CN=CONTACT/CN=SERVERS/CN=22-TSC-IIS/CN=INFORMATIONSTORE/CN=FIRST
STORAGE GROUP on the Microsoft Exchange Information Store.
Storage Group - Initialization of Jet failed.

For more information, click http://search.support.microsoft.com/search/?adv=1.

Event Type: Error
Event Source: ESE98
Event Category: General
Event ID: 482
Date: 2/7/2002
Time: 12:25:20 PM
User: N/A
Computer: 22-TSC-IIS
Description:
Information Store (2288) D:\Program Files\Exchsrvr\Mdbdata\Res2.logAn attempt
to write to the file "0 (0x0000000000000000)" at offset 1048576 (0x00100000)
for -1808 (0xfffff8f0) bytes failed with system error There is not enough
space on the disk. : "%9". The write operation will fail with error %7. If this error persists then the file may be damaged and may need to be restored from a previous backup.

For more information, click http://search.support.microsoft.com/search/?adv=1.

Event Type: Warning
Event Source: ESE98
Event Category: Logging/Recovery
Event ID: 428
Date: 2/7/2002
Time: 12:25:19 PM
User: N/A
Computer: 22-TSC-IIS
Description:
Information Store (2288) %3The database engine is rejecting update operations due to low free disk space on the log disk.

For more information, click http://search.support.microsoft.com/search/?adv=1.

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CAUSE

This issue may occur if hackers use your Exchange server to relay unsolicited e-mail messages (spam). As a result, the Badmail folder fills up with messages that your server cannot handle. The messages cannot be sent back, because the return addresses are not valid (spoofed).

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RESOLUTION

To resolve this issue, follow these steps:

Stop the SMTP service. To do so, follow these steps:
1. In Computer Management, double-click the Services and Applications branch, and then click Services.
2. In the right pane, right-click Simple Mail Transport Protocol (SMTP), and then click Stop on the shortcut menu.
Delete all messages from the Badmail folder. By default, the Badmail folder is located in the Exchsrvr\Mailroot\vsi 1 folder.
Start Exchange System Manager, locate the server that you suspect is being used to relay the junk e-mail, and then double-click Protocols.
Double-click the SMTP node, right-click the virtual SMTP server, and then click Properties.
Configure Exchange Server so that it relays only SMTP mail that originates from your network and from other trusted computers. To do this, follow these steps:
1. Click the Access tab, and then click Relay.
2. Click to select the Allow all computers which successfully authenticate to relay, regardless of the list above check box. This option makes it possible for SMTP mail from your internal network to be relayed through the virtual server.
3. Click to select the Only the list below check box. The list that follows is frequently left empty, except in situations when you want to allow computers external to your network to be able to relay SMTP mail through the server. If you do want to allow computers external to your network to be able to relay SMTP mail through the server, click Add, and then configure the correct IP, IP range, or domain name.
4. In the Relay Restrictions dialog box, click OK.
To mount databases, follow these steps:
1. Double-click each Storage Group under your server.
2. Right-click the Store that is dismounted, and then click Mount Store on the shortcut menu.
Start the SMTP service.

REFERENCES

For more information about how to prevent your SMTP virtual server from relaying unsolicited external mail, click the following article number to view the article in the Microsoft Knowledge Base:

304897

(http://support.microsoft.com/kb/304897/ )

XIMS: Microsoft SMTP Servers Appear to Accept and Relay E-mail

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