SmtpUseTcpDns

The SmtpUseTcpDns property specifies if SMTP uses TCP for DNS. The value can be 0 (IE UDP only), 1 (TCP only), 2 (try UDP and then TCP), or others.

The metabase represents unlimited as the DWORD value of 4294967295 (0xFFFFFFFF); however, VBScript represents unlimited in hexadecimal format as &HFFFFFFFF. Previous versions of IIS represented unlimited as -1.

Schema Attributes

Attribute Name

Value

ADSI/WMI Data Type

DWORD

ABO Data Type

DWORD_METADATA

Schema Default

4294967295

Internal Default

Not specified.

Upper Bound

0

Lower Bound

Not specified

Internal ID

36997

Friendly ID

No friendly named is defined for this identifier in iiscfng.h. Use the Internal ID attribute listed above.

Property Attributes

INHERIT

User Type

IIS_MD_UT_SERVER

Configurable Locations

You can configure this property at the following locations in the IIS metabase.

Metabase Path

IIS Admin Object Type

/LM/SMTPSVC

IIsSmtpService

/LM/SMTPSVC/n

IIsSmtpServer

Flags

There are no flags for this property.

Requirements

Client: Requires Windows XP Professional, or Windows 2000 Professional.

Server: Requires Windows Server 2003, or Windows 2000 Server.

Product: IIS

See Also