Microsoft KB Archive/257252

= XADM: Default Registry Entries for Microsoft Exchange Server Information Store =

Article ID: 257252

Article Last Modified on 10/27/2006

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APPLIES TO


 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q257252



SUMMARY
This article provides details about the registry settings that are used by the Microsoft Exchange Server Information Store service. The information store registry values that are noted in this article are present by default after you successfully set up Exchange Server 5.5.

When you run Exchange Performance Optimizer, some of these default values may change, depending on the options that you choose. When you run the "perfwiz -v" (without quotation marks) command from a command prompt at the \Exchsrvr\Bin folder, you can modify these default values. If you manually specify a value that is outside of the minimum or maximum value, the minimum or maximum value is used, respectively. When you use the "perfwiz -r" command, you can open Performance Optimizer in read-only mode to view the current settings. This does not stop Exchange Services.



MORE INFORMATION
The information store registry values are in the following format:

Name

Type

Default Value

Information store registry values are present in Registry Editor (Regedt32.exe) under the following location: 

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ MSExchangeIS\ParametersSystem

These information store registry values are the following:

Background Threads

REG_DWORD

0x25

Buffer Threshold High Percent

REG_DWORD

0x3

Buffer Threshold Low Percent

REG_DWORD

0x3

Circular Logging

REG_DWORD

1

DB Log Path

REG_SZ

%s\mdbdata

DB Recovery

REG_DWORD

1

DSA Computer

REG_SZ

string

IMAP4 Protocol Log Path

REG_SZ

%s\mdbdata

IMAP4 Protocol Logging Level

REG_DWORD

0

Max Buffers

REG_DWORD

0x1f6e

Max Threads (Public+Private)

REG_DWORD

5.5 - 0x32

Minimum Threads

REG_DWORD

0xa

MTA Computer

REG_SZ

string

NNTP Protocol Log Path

REG_SZ

%s\mdbdata

Online Compaction

REG_DWORD

1

POP3 Protocol Log Path

REG_SZ

%s\mdbdata

POP3 Protocol Logging Level

REG_DWORD

0

This Server

REG_SZ

string

Working Directory

REG_DWORD

%s\MDBDATA

Information store registry values are present in Registry Editor (Regedt32.exe) under the following location: 

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ MSExchangeIS\ParametersPrivate

These information store registry values are the following:

Background Cleanup

REG_DWORD

60000

Background Search

REG_DWORD

0x1388

DB Path

REG_SZ

%s\MDBDATA\PRIV.EDB

Gateway In Threads

REG_DWORD

0x2

Gateway Out Threads

REG_DWORD

0x2

General Event Log

REG_DWORD

0

Track Duplicates

REG_DWORD

1

Transport Event Log

REG_DWORD

0

Information store registry values are present in Registry Editor (Regedt32.exe) under the following location: 

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ MSExchangeIS\ParametersPublic

These information store registry values are the following:

Background Cleanup

REG_DWORD

60000

Background Search

REG_DWORD

0x1388

DB Path

REG_SZ

%s\MDBDATA\PUB.EDB

General Event Log

REG_DWORD

0

Replication Event Log

REG_DWORD

0

Track Duplicates

REG_DWORD

1

Transport Event Log

REG_DWORD

0

Information store registry values are present in Registry Editor (Regedt32.exe) under the following location: 

HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\ MSExchangeIS\ParametersNetif

These information store registry values are the following:

MaxConcurrency

REG_DWORD

0

MaxPoolThreads

REG_DWORD

0x32

MinFileKbSec

REG_DWORD

0x3e8

NonTFBufferSize

REG_DWORD

0x1000

ThreadTimeout

REG_DWORD

0x15180

UseAcceptEx

REG_DWORD

0x1

UseTransmitFile

REG_DWORD

0x1

Keywords: kbinfo KB257252

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