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3+0pen Version 1.1
Maintenance Update
Release Notes
For 3Corn User Group Information
1-800-NET-3Corn
Part No. 4814-03
Published May 1990. Printed in the U.S.A.
Contents
Before Updating 3+0pen LAN Manager to the
Maintenance Version 1.1 2
Fixes and New Features 2
Fixes 2
New Features 4
Known Problems and Solutions 5
3+ and 3+0pen Passwords 5
OS/2 Workstations Accessing Files on 3+ Servers 6
EtherLink II and External Tranceivers 6
Using Passwords with DOS Basic Workstations and
User-Level Security Servers 7
PostScript Despooler and Simultaneous Multiple
Despooling 7
Applications and Redirected Drives 7
Start Up of IBM PS/2 Machines 8
Netpopup and VGA Boards 8
Netpopup and Monochrome Displays 8
CD ROM and DOS Enhanced LAN Manager 8
Off-Line Printer Problems 9
Sending Messages to DOS Workstations 9
Using the COpy Command vs. PRINT
Command 10
3F DIR /LINK and 3P DIR /LINK 10
Out of Dynamic Memory 10
Compaq 386/16 Mother Board Problem 10
Redirector Out of Resources 11
Installation and Setup Notes 12
Compatibility with Previous Versions of
3+0pen, OS/2, and 3+ 12
NET 3054 Error Message 13
Network Number for 3+0pen LAN Manager Entry
System 13
iii
Checking for Overlayed Drive IDs 13
OS/2 DOS Compatibility Mode 14
PC Servers Using osa DOS Compatibility
Mode 14
Creating Generic DOS Workstation Diskettes 15
3+0pen LAN Manager Server Adaptation
Installation
on a Dedicated Server 16
Global Path Statement in OS/2 1.1 16
Logon Command for 3+ and 3+0pen Name
Service 17
Setting LOGON for Automatic Links 17
OS/2 Disk Cache and SQL Server 18
osa
Installing 3+ for Workstations and 3+0pen
LAN Manager 18
Compaq DOS 3.31 Disk Format Incompatible with
OS/2 18
Upgrading from Entry System to Advanced System
Software 19
Building 360 KB DOS Boot Diskettes 19
3+0pen Tuning and Configuration 20
Existing Server Configuration Guidelines 20
New Server Configuration Guidelines 20
Server Tuning Guidelines 24
Performance Tuning 25
Adding Users 25
Services Tuning 25
Applications Tuning 26
Tips and Information 26
Server Shutdown Guidelines 26
Task 1: Notify Users of Server Shutdown 26
Task 2: Stop Installed Services 27
Task 3: Stop the Server Service, Redirector and
Disk Cache 27
Task 4: Power Down your Server 28
IBM Dual-Async Adapters and EtherLink/MC
Adapter 28
iv
IBM Token Ring 16/4 and 16/4/A Addresses 29
Accessing Shared Modems 29
Loading the Enhanced Redirector 3ComEMM into
High Memory 29
Understanding the Netlogon Service 30
Running GROWACC on Your Server 33
Running CHKDSK on 3Servers 34
Network Administration Notes 36
Parameters for the NET PRINT Command 36
MAXLOCKS and MAX OPENS Parameters 37
Using 3+0pen LAN Manager in a NETMAP
Environment 38
Backing Up Account Information 38
Clearing Access Control Records on a Server 39
User Sharenames Ending in $ 39
Logging Server Out of Resources Errors 39
NET ADMIN Error Messages Missing 39
NET ADMIN User Count 40
NET ADMIN Error Count 40
DOS Workstations Auto Reconnection 40
Autodisconnect Parameter Values 40
3+0pen Documentation 41
3+0pen MS OS/2 LAN Manager Administrator
Guide 41
3+0pen for 3Servers Installation and Setup
Guide 41
3+0pen MS-DOS LAN Manager User Reference 42
3+0pen Messages Guide 42
General Notes 43
IBM PS{2 Model 80 ESDI Controller Problem 43
MS-DOS Manager and DOS 4.0 43
Printing from the DOS Compatibility Box 43
Autoswitching and/or Monitor-Detecting Video
Cards 43
Tested Video Adapters 44
NET /MONO Option 44
v
Universal Name Convention (UNC) Names Invalid
with Printer 44
Diskette Drive Access Problems Under OS/2 45
Expanded Memory Not Supported 45
Application Notes 46
IBM LAN Manager Program 46
IBM PC 3270 Version 1.0 46
IBM 3270 Emulation Version 3.0 47
IBM PC Network Program 1.3 47
WindowS/386 and Windows/286 48
Memory Saving Options for DOS Workstations 49
NBP Protocol 50
Dynamic Loading/Unloading of XNS Protocols 50
Downloading Protocols to the Adapter
(XNS only) 51
Using the HIMEM Utility 52
Using DOS Maximizer/386 to Load Programs into
High Memory 54
Other Notes on DOS Memory Savings 55
Conflicts with Memory Mapped Devices 56
3Com TokenLink Adapter 56
IBM Token Ring Adapter 57
3Com EtherLink Plus Adapter 57
3Com EtherLink II Adapter Configured with
Memory Mapping 58
Software Developer Notes 58
NetWkstaSetUid 0 API Change 58
Named Pipes (Msg/Blocking Type) 58
Named Pipes Message Size 59
Named Pipes with Multiple Threads 59
vi
3+0pen Version 1.1 Maintenance
N
Update Release Notes
This introductory section provides some basic
information about these release notes and how to take
advantage of the information within them.
These release notes are an integral part of the 3+0pen
LAN Manager documentation, and supersede all
previous release notes for 3+0pen LAN Manager. These
notes contain valuable product infonnation and should be
read by the network administrator prior to product
update.
The first section contains information you need before
you use the 3+0pen Version 1.1 Maintenance Update.
3Com strongly recommends that all servers and
workstations on the network be updated with the
Maintenance Update as it ensures better reliability,
interoperability, and supportability.
The next three sections contain information on fixes, and
new features, known problems and solutions, and
installation and setup information. You should read
these carefully.
The remainder of the release notes contain information
about tuning, tips and information, network
administration notes, 3+0pen documentation, and
application and software developer's notes. Use the table
of contents to guide you to the section that is of interest
to you.
1 3Com Corporation May 1990
Before Updating 3+0pen LAN Manager to the
Maintenance Version 1.1
Before you begin the update process, make backup
copies of each diskette (using the DISKCOPY utility)
and label each diskette. Use the backups for the update
process.
Fixes and New Features
Several problems have been fixed in this maintenance
update. New features have also been added.
Fixes
Problems that were fixed for the 3+0pen Version 1.1
Maintenance Update include: