MORE INFORMATION
Differences Between Service Pack 6a and Service Pack 6
Windows NT Service Pack 6a was released to fix specific issues in
Service Pack 6.
For additional information, click the article number below
to view the article in the Microsoft Knowledge Base:
246009 Windows NT 4.0 Service Pack 6a Available
Windows NT 4.0 Service Pack 6a also contains the
SP6 fixes described below.
Networking
216793 DHCP Server Stops
Leasing Addresses if a Sharing Violation Occurs
221497 RRAS: RIP Routing Stops When System Time Is
Changed
221515 Delay When Saving File
to a Server with High Number of Shares
222077
Access Violation in RRAS When Windows Time Service Adjusts System
Time
222164 DSMN Fails to Synchronize Passwords When
Password History Is Turned On on NetWare
223281
Alternate File Names Are Not Supported in NetWare Redirector
223374 Installing SP 4 Automatically Enables DHCP
Logging
223437 NWRDR Access Violates
in Module Nwslib.dll
223450 TCP Initial
Retransmission Timer Adjustment Added to Windows NT 4.0
223497 Err Msg: Logon Failure: User Not Granted the
Requested Logon Type
223997 Log On Attempt Does Not
Work on Computers with Windows NT Newly Installed
224428 STOP 0x0A in Redirector with Invalid Server
Responses
224547 Memory Leak in Routing
and Remote Access Service
224550 STOP 0x0000000A in
Netbt.sys When Parsing LMHOSTS File
224585 TCB
Hash Function Modified to Improve Network Performance
224600 RPC Application Causes Access Violation When
Dereferencing Freed Connection Under Stress
225004
WSAEMSGSIZE - Error 10040 in Winsock 2.0
225255 Some
Share Names May Not Work Correctly
225324
NetBT Clients Can Only Connect if They Are Set to Use B-Node Name
Resolution
225491 RRAS Server Does Not
Send FramedIPAddress in RADIUS Accounting Request Packet
225503 MD-5 CHAP Authentication Does Not Work with
Windows NT 4.0 Service Pack 4
226487 IAS
Returns Incorrect Data During Invalid Logon Attempt
226513 NPFS Leak When AddJob API Returns a Named
Pipe
227880 Modifying TCP/IP Fields May Disable DHCP Relay
Agent Service
228456 Unnecessary Dialog
Appears When Configuring TCP/IP to Use DHCP with RIP
228538 STOP 0x1E in Rdr.sys When DormantFileLimit Set
to 0
228597 DHCP Server With Deactivated Scope Sends a
DHCPNAK to Clients
228802 MS RPC Incorrect
Behavior for Frame Following Maybe Frame
228845 Zone
Transfers Are Incomplete When Deleting a Delegation
228942 Windows NT SP4 May Cause Loss of TCP/IP
Connectivity in WLBS Host
229098 AppleTalk Does Not
Always Respond to ZIP Queries
229111
Clients Running a Different Language Version Overwrite Printer
Setting
229647 RPC, RAS, PPTP (40-bit)
Encryption Added to Windows NT 4.0 French Version
229894 CSNW Experiences Delays Opening Files on the
Network
230014 RRAS Does Not Report
Domain Name for Users in Accounting Packets
230307 Slow
Performance in TCP/IP When Reconnecting
230381
TCP/IP Dead Gateway Detection May Not Work if the ARP Cache is
Empty
230677 Malformed Phonebook
Entry Security Vulnerability in RAS Client
231337
Netdde.exe Does Not Relay WM_DDE_TERMINATE to Remote Clients
231790 File Sharing Operations to a share on Local
Computer may be Slow
231934 Connecting to a Local
Share Using Cached Credentials Is Unsuccessful in Windows NT 4.0 SP4 and
SP5
231965 PPTP Performance Problems After Applying
SP4
232133 STOP 0x1E or STOP 0xA with More Than 200 Ports
in RRAS
232298 STOP 0x0000000A in
SFMAtalk Because of Invalid Frame
232512 TCP/IP May Retransmit
Packets Prematurely
232559 Novell Print Banner
Always Printed After Applying Service Pack 5
233048
Remote Access Logs Event ID 20050 When PPTP Connection Is Refused
233094 STOP 1E Error Message in
Sfmsrv.sys
233249 NET SEND MyComputer
Command May Not Work if Using a Hardware Profile with a Network Adapter
Disabled
233303 DUN Credentials Cached
When Save Password Not Selected with RRAS
233517
Domain Logon Attempt Does Not Work with M-Node Clients Using WINS Proxy
Agent
234351 Memory Leak When
Performance Counters Are Not Available
234593
Windows NT 4.0 Tcpip.sys Hotfixes Dated 4/28/99 to 5/28/99 Replaced
234980 Invalid Multicast Packets Sent with Windows NT
TCP/IP Stack
235425
CreateFile() Can Cause Leak in Paged Pool Memory
235543 File Copy to Macintosh Volume Takes
Time
235677 FTP Client May Stop Responding (Hang) with
Temporary Network or FTP Server Problem
235703
NetWare Migration Tool May Not Migrate Long File Names with Correct
Permissions
235863 RPC Locator Returns
Duplicate or Missing Entries to RpcNsBindingLookup Calls
235964 Recovery Operation for Certificate Server May
Invalidate Certificate Authority Keys
236024
Cannot Use Connection Manager to Log On to Domain with RAS
236316 Performance Improvement for Redirector/Server
Connections Involving Small File Operations
236411 DNS
Event Log Key Does Not Work as Expected
236414
Cannot Use Shares with LMCompatibilityLevel set to Only NTLM 2
Authentication
236449 Net LocalGroup Command
May Cause Access Violation
236460 DNS Service Does Not
Start and Event IDs May Be Displayed
236584 128-Bit RAS Client Is Authenticated but Cannot
Use Resources on the Network
236959
Access Violation in Mpr.dll During Startup
237425
Modem No Longer Dials After Approximately Two Days
237942 Resolution of Unqualified Host Name May Not
Succeed with SP5
237968 RAS Configuration May
Change When You Install Multiple ISDN Cards on the Same Computer
238020 XIMS: NNTP Service Converts Two-Digit Years
Incorrectly
238062 BDC Promotion May Be
Unsuccessful Using Server Manager
238125 Stop 1E in
Nbf.sys
238171 RAS Port Becomes
Unavailable in Windows NT 4.0
238294
Server Comment Set with SNMP Is Not Retained After Restart
238380 Windows NT 4.0 Sometimes Hangs at
Shutdown
238734 How to Disable
Microsoft CHAP Authentication
238917
Delay If No Response for DHCP Renew/Discover
238966
Statically Configured WINS Client Refreshes with Secondary WINS
Server
239079 DNS INT Zone File
Identified as Reverse Instead of Forward After Applying WinNT 4.0
SP4
239132 Exchange Clients Appear to Intermittently Hang
During Normal Operation
239870 RasDial Returns an
Invalid Error Code
240059 Split Horizon with
Poison Reverse Setting Causes Incorrect RIP Updates on Multiple
Adapters
240089 RRAS Port Becomes
Unavailable in Windows NT 4.0
240195 NET
USER /TIMES Command Does Not Work in Year 2000
241189 SNMP
Memory Leak in Windows NT4.0 Peer-to-Peer Network
241223 Overloaded DHCP Server Stops Functioning with
Limited Queue Size
241480 Resource Leaks Through
Iphlpapi.dll in Windows NT 4.0
241549
Callback Numbers May Not Work Properly
241657
Client's Valid x.x.x.0 Host Address Is Disallowed on the Network
242032 Subordinate
Certificates Appear Invalid with Certificate Server 1.0
242183 Cisco Cable Modem Unable to Receive IP Address
from Windows NT 4.0 DHCP Server
242303 NDIS
Driver May Not Properly Release a Network Adapter's Resources
242398 Cluster Loses Track of Custom Resource DLL
Registration After Resource Monitor Failure
242523
Cannot Delete Macintosh Volume Using MACFILE REMOVE VOLUME Command
242594 Multiple-Processor Server Hangs When Receiving
a Connection Request from a RAS Client
Security
179148 Settings May Not Be
Applied with URL with Short Filename
218934 Multiple Bugs in Security Configuration
Manager MMC Snap-In
222160 Security Configuration
Editor Has Several UI-Related Problems
223408
Scheduled Logoff Fails on Locked Workstation with Active Screen
Saver
228467 Access Violation in
Lsass.exe When Passing a Null Pointer
230449
Service Control Handler May Not Receive SERVICE_CONTROL_SHUTDOWN
Notification
231457
Malformed Request Causes LSA Service to Stop Responding
232710 Privileges Are not Assigned if Two Groups or
Users Start with the Same Substring
233214 STOP
0xC0000244 Error Message Occurs Even If CrashOnAuditFail Setting Is
Disabled
233323 Exceeding
MaxRequestThreads May Cause Windows NT to Hang
235295
Profile Quotas Do Not Respect Excluded Folders
235899 ScardGetStatusChange()
API May Cause Deadlock in Smart Card Resource Manager
236128 Deleting the Last User Privilege Deletes the
Group Object
236359
Denial of Service Attack Using Unprotected IOCTL Function Call
236949
Improper Shutdown Occurrence Is Reported in the Event Viewer System
Log
237185 Access Violation Error Message When You Quit
Phone Dialer
237849 FIPS
140-1 Validation for Cryptographic Service Providers
238268 FIPS-Compliant Browser
and Web Server For Windows NT 4.0
238349 Specially-Malformed
Header in GET Request Creates Denial of Service
238493 Memory Leak in Programs That Load/Unload
Security.dll
239850 SChannel.dll Updated to
Support Multiple SGC Certificate Authorities
240071
Unable to Display Security Information on Computer with Security Configuration
Manager Installed
240073 Privilege Violation
When Creating a Pipe Instance in NPFS
241338
Windows NT LAN Manager Version 3 Client with First Logon Prevents Subsequent
Logon Activity
241414
NtSetInformationObject() Does Not Check Object Handle in C2 Security
Services
241489 User Right Incorrectly
Configured in SCE High-Security Template
241653
Auditing Changes in SCM Not Reflected in User Manager Policies
241719
Incorrect Analysis Information for Security Options in Security Configuration
Editor
242033 Access Violation in
Services.exe Using the Smbtorture Tool in Samba 2.0.5
242366 Denial of Service When Using Xenroll to Create
Files or Write to the Registry
Shell
221562 OFF97: IPF in Winhlp32 When Starting Help If It's Already Running
228543 Policy Editor Does Not Read SNMP Communities Correctly
229614 No Error Message If Dragging from Microsoft Exchange to Windows NT Explorer Does Not Work
231605 Malformed Help File Causes Help Utility to Stop Responding
234255 Internet Shortcuts with a URL Do Not Work
235602 Client Computers Report Problems Connecting to Server
236141 Selecting File Path Through Multiple Windows Closes Backup
240414 Desktop Link to Local Folder Does Not Work After Installing SP5 If NoDrives Policy Is Enabled
241210 Drive List Shows Only Program Drive in 16-Bit and 32-Bit Programs
Service Pack Setup
229804 Service Pack Appears to
Extract Font Files Only
236954 Error Message Repairing
Windows NT After Installing Service Pack
238671 SP4
and SP5 Enable Automatic Adjustment for Daylight Saving Time
238953 MSMQ IC Does Not Start if Protected Storage
Disabled or Delayed
241331 Default (GMT) Time Zone
Changes During Service Pack Upgrades
242278 Windows NT 4.0 Service Pack 6 Setup Replaces
3Com EtherLink 905B Driver with New Version
241211 List of Bugs Fixed in Windows NT 4.0 Service Pack 6 (Part 1)