If you have already deployed SCCM 2007 SP1 here are a few fixes by category that might help you determine which ones are critical in your environment.

Hope this helps.

Hotfix List - Post SP1

Feature /Component Affected

KB 970242 - Some attributes of a System Center Configuration Manager 2007 Service Pack 1 client may be missing after it is configured as a branch distribution point

WINNT Discovery Server

KB 969529 - Users cannot enumerate collection members in System Center Configuration Manager 2007 Service Pack 1 if they do not have class rights and the hotfix of 955262 is installed

SMS Provider

KB 969341 - Delta merge may fail on System Center Configuration Manager 2007 Service Pack 1-based branch distribution points

Content Transfer Manager

KB 969113 - Operating system deployment fails in a System Center Configuration Manager 2007 SP1 environment if you deploy a different operating system to a client within one hour of a previous deployment

Operating System Deployment

KB 968718 - You cannot customize the ramdisk TFTP block size on a System Center Configuration Manager 2007 SP1 site server that has the Pre-Boot Execution Environment (PXE) service point role

PXE Point

KB 968594 - System Center Configuration Manager 2007 software inventory processing fails when a data file contains an invalid time

Software Inventory Processor

KB 967919 - On a System Center Configuration Manager 2007 Service Pack 1 site server -  the SMS_Executive service process (Smsexec.exe) crashes when you use Intel WS-MAN Translator version 1.1 (build 558) to provision some computers

AMT Component

·         KB 967491 - Hotfix rollup for System Center Configuration Manager 2007 R2 Client Status Reporting

Update.SQL file

        KB 967359 - Some task sequences may not run on the client computers expectedly in System Center Configuration Manager 2007 Service Pack 1-based systems

Task Sequencer

KB 962891 - State messages that have long file names may get stuck in the Statesys.box\Incoming folder or the \SMS_CCM\FSPStaging folder and may block state message processing on a System Center Configuration Manager 2007 Service Pack 1 fallback status point

Fall Status Point

State Migration Point

KB 961269 - Only two expired user-state stores are deleted on a site server that is running System Center Configuration Manager 2007 Service Pack 1

KB 961268 - Packages on distribution points are not updated with the latest source version in System Center Configuration Manager 2007 Service Pack 1 systems

Distribution Manager

KB 961105 - Error message when you try to import OSD drivers in System Center Configuration Manager 2007 Service Pack 1 systems: The selected driver is not applicable to any supported platforms

Operating System Deployment

KB 960846 - The shared folders that store packages on branch distribution points may be removed in systems that are running System Center Configuration Manager 2007 Service Pack 1

Branch Distribution

KB 960804 - A hotfix rollup package addresses issues that involve the Out of Band Management (OOB) feature in Configuration Manager 2007 Service Pack 1

Out of Band

KB 960741 - The SMS_Executive service process crashes on a Configuration Manager 2007 Service Pack 1 site server when you use Intel WS-MAN Translator to provision computers that are equipped with AMT 3.2.1 chipsets

AMT

KB 961960 - The state of the check box for the maintenance window that you double-click is changed when System Center Configuration Manager 2007 Service Pack 1 is installed on a Windows Server 2003 x64-based system or on a Windows Server 2008 x64-based system

Maintenance Window

KB 960634 - System Center Configuration Manager 2007 R2 Client Status Reporting fails when clients have multiple discovery records

Client Status Reporting

KB 960448 - The Asset Intelligence Catalog Sync Service of System Center Configuration Manager 2007 Service Pack 1 cannot connect to a System Center Configuration Manager database that is installed on a SQL Server 2005 named instance

Asset Intelligence

KB 960189 - Some expired user state stores are not deleted on System Center Configuration Manager 2007 State Migration Point (960189)

State Migration Point

KB 960065 - Updates are not deployed to some clients when you use WSUS or SUM to deploy updates in System Center Configuration Manager 2007 Service Pack 1

Software Update

KB 959975 - You receive an error message when you configure a named instance of SQL Server 2005 as the Client Status Reporting database in System Center Configuration Manager 2007 R2

Client Status Reporting

KB 959875 - The shared folders that store packages on branch distribution points may be removed in systems that are running System Center Configuration Manager 2007 Service Pack 1

Branch Distribution Points

KB 959812 - Operating System Deployment (OSD) tasks may fail randomly in System Center Configuration Manager 2007 Service Pack 1-based systems

Operating System Deployment

KB 959040 - System Center Configuration Manager 2007 Service Pack 1 systems cannot provision AMT 2.2/2.6 clients in PKI mode and AMT 2.1/2.5 clients in PSK mode

AMT

KB 959038 - The execution of a task sequence that you create in System Center Configuration Manager 2007 may continue when a program in the task sequence returns a failure exit code

Task Sequencer

KB 958808 - User data from the USMT may be deleted unexpectedly by the task sequence engine during the operating system deployment process in System Center Configuration Manager 2007 SP1 (958808)

Operating System Deployment

KB 958598 - The audit message for a task sequence creation operation does not identify system -  component -  or user information correctly in System Center Configuration Manager 2007 RTM systems (958598)

Task Sequencer Audit Message

KB 958021 - Error message in the Configuration Manager console when you create a new task sequence: The task sequence cannot be created

Task Sequencer

KB 957879 - The ConfigMgr Service Manager tool in Configuration Manager 2007 Service Pack 1 cannot query the SMS_SITE_SQL_BACKUP service -  and you receive an Error communicating with component error message

Service Manager Tool

KB 957576 - Status message ID 7404 is reported frequently in an installation of System Center Configuration Manager 2007 R2 that uses SQL Server 2008 as the site database

Reporting Service Point

KB 957469 - FIX: The Out of Band Power control function does not work for clients that have the Intel AMT 4 or Intel AMT 5 chipset in System Center Configuration Manager 2007 Service Pack 1

AMT

KB 957325 - The Inventory Data Loader component cannot process hardware inventory data from System Center Configuration Manager 2007 Service Pack 1 clients if one or more properties contain more than 256 characters in the NOIDMIF files

Inventory Data Loader

KB 957255 - The wake-on-LAN (WOL) feature in System Center Configuration Manager 2007 Service Pack 1 wakes clients one hour earlier than expected

Wake On LAN

KB 957183 - You cannot add a group as an AMT user account in Configuration Manager 2007 Service Pack 1 if the group name has more than 20 characters

AMT

KB 956944 - Error message when you use the System Center Configuration Manager 2007 Service Pack 1 console to connect to a Configuration Manager 2007 site server that is not running Service Pack 1

Admin Console Update

KB 956941 - You cannot take some actions when you take remote control of a Windows Vista-based client computer that has User Account Control enabled in System Center Configuration Manager 2007 Service Pack 1

Remote Control

KB 956918 - The Delete Aged Configuration Management Data site maintenance task may take a long time to finish in System Center Configuration Manager 2007

Maintenance Tasks

KB 956733 - Some attributes of a System Center Configuration Manager 2007 client may be missing after it is configured as a branch distribution point

WINNT Server Discovery

KB 956465 - The SMS_EXECUTIVE service process may restart unexpectedly when a limit is set for the maximum transfer rate between two sites in System Center Configuration Manager 2007

LAN SENDER

KB 956337 - System Center Configuration Manager 2007 Service Pack 1 is unable to remove AMT user ACLs during the provisioning process for AMT 2.x computers

AMT

KB 956194 - Distribution Manager in System Center Configuration Manager 2007 Service Pack 1 may require several hours after startup before it begins to process packages

Distribution Manager

KB 955955 - A task sequence that contains many packages may take longer to run after you install System Center Configuration Manager 2007 Service Pack 1 or hotfix 949225

Task Sequencer

KB 955842 - The System Center Configuration Manager 2007 Service Pack 1 hardware inventory may recognize an x64-based client as an x86-based client

Hardware Inventory

KB 955388 - Error message when you use System Center Configuration Manager 2007 SP1 Configuration Manager console to check software distribution point settings on a System Center Configuration Manager 2007 RTM site or a Systems Management Server 2003 site

Software Distribution

KB 955355 - A distinguished name that contains more than 100 characters and that is discovered from Active Directory for an AMT host causes the SMS_EXECUTIVE service to crash in System Center Configuration Manager 2007

AMT

KB 955262 - You receive an error message when you click and then update the Drivers node in the Configuration Manager console of a Configuration Manager 2007 Service Pack 1 site that uses SQL Server 2008 for the site database

Operating System Deployment

KB 955126 - The SMS_Executive service (Smsexec.exe) process in System Center Configuration Manager 2007 may crash if you have Intel AMT-related software installed

AMT

KB 955115 - The Client Push Installation operation fails when both multiple management points and customized ports are configured in a System Center Configuration Manager 2007 site (955115)

Client Push

KB 955114 - The SMS_Executive service process may crashes when System Center Configuration Manager 2007 Service Pack 1 Hierarchy Manager is handling the site control (.ct2) file from child sites that have System Center Configuration Manager 2007 RTM installed

Hierarchy Manager

KB 954718 - A distinguished name that contains more than 100 characters and that is discovered from Active Directory for an AMT host causes the SMS_EXECUTIVE service to crash in System Center Configuration Manager 2007

AMT

KB 954716 - The SMS_EXECUTIVE service of System Center Configuration Manager 2007 on a child site server may crash when it handles the .sha file and sends inventory data to its parent site

SMS EXECUTIVE

KB 954474 - System Center Configuration Manager 2007 blocked from deploying security updates

Software Updates

KB 954214 - The SMS_Site_Component_Manager service stops unexpectedly when you try to install Configuration Manager 2007 Service Pack 1 or reinstall a specific component after an unsuccessful installation attempt

Site Component Manager

KB 969530 - The Ccmexec.exe process may consume almost 100 percent of CPU resources on System Center Configuration Manager 2007 Service Pack 1 clients

CCM Executive

KB 959257 - Recurring advertisements or maintenance windows start to run an hour later or earlier than expected when the time is changed because of DST in System Center Configuration Manager 2007 Service Pack 1

Advertisements

KB 967649 - System Center Configuration Manager 2007 Service Pack 1 systems ignore the source location property in MSI packages

MSI Source Location Server and Client Fix

KB 967648 - Package distribution fails on a System Center Configuration Manager 2007 Service Pack 1 site if a file name in the package contains an ampersand (&)

Branch DP and Transfer Content - Client and Server fix