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FYI
(Note: The origin of this information may be internal or external to Novell.
Novell makes every effort within its means to verify this information.
However, the information provided in this document is FOR YOUR INFORMATION
ONLY. Novell makes no explicit or implied claims to the validity of this
information.)
TITLE: TSRs and NetWare Lite
DOCUMENT ID#: FYI.P.6112
DATE: 18DEC92
PRODUCT: NetWare Lite
PRODUCT VERSION: All versions
SUPERSEDES: NA
LITE FAX DOC #: 2609
SYMPTOM
NA
ISSUE/PROBLEM
TSRs and NetWare Lite
TSR (Terminate and Stay Resident)
NetWare Lite is designed around two primary TSRs.
1. SERVER.EXE, that acts as the "disperser" of requests whether it be
printing or file services. SERVER.EXE is quite complex and
considers several issues particularly background printing,
DOS/Windows busy flags, file sharing (through Share), and
communication with other servers/clients on the network.
2. CLIENT.EXE acts as the redirector if the request is not for DOS.
Because both SERVER.EXE and CLIENT.EXE execute as a TSR on DOS, it
is necessary to hook interrupts to provide the functionality for
NetWare Lite.
Typically, problems will be met when two or more TSRs attempt to
hook an interrupt and may not be aware of the other TSR hooking that
interrupt. This, in essence, is usually the cause of TSRs not
coexisting with one another. In a peer-to-peer network such as
NetWare Lite the issue is greatly magnified due to functionality
requirements that a peer-to-peer LAN provides.
Novell, has not done a comprehensive test matrix regarding
compatibility with other TSRs and NetWare Lite. However, it is
recommended that the TSR vendor be contacted for compatibility with
NetWare Lite v1.1 if problems are met.
TSRs Known to Have Problems
1. Pyro (screen saver)
Symptoms: Locks other stations when it activates.
2. PC Support Program (3270,5250 emulation)
Symptoms: Locks other stations and causes printing not to work.
Note: Other resident applications such as ViewMax (with DR DOS),
and DESQview may exhibit similar problems.
Suggested Workaround
If problems are met and several applications or TSRs are being loaded,
you may consider the following suggestions:
1. TSRs come in many forms such as, virus checking, screen savers,
cache drivers, mouse drivers, or hotkey (popup) type applications.
A. First remove TSRs one at a time until a possible culprit is
identified.
B. Try rearranging the load order of other TSRs and NetWare Lite.
C. If using Windows, check to see if TSRs are loaded before
Windows or from Windows using an icon or if loading from a DOS
box. Depending on which method is used, you may try changing
the load order or method.
2. If memory management is being used, check to see where TSRs are
loading. Sometimes a larger TSR may not have enough Upper memory
available and will load into conventional memory. This may be
undesirable if it uses to much conventional memory. You may try
loading different TSRs to Upper or Conventional memory to see what
works best for you.
SOLUTION
NA