[OpenAFS] OpenAFS for Windows Integrated Logon - On or Off by default?

[Jeffrey Altman]

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The OpenAFS for Windows distributions come in two different installation
packaging flavors.  The .EXE installer based on NSIS defaults integrated
logon to be disabled.  The .MSI installer based on WiX defaults
integrated logon to be enabled.  The reason for this difference is
historical.  The MSI installer package was developed at MIT for use in
pushing out OpenAFS to large numbers of clients via an automated "quiet"
process.  The EXE installers were designed for use by individuals.  For
the individual case the integrated logon functionality is less likely to
be needed whereas the managed desktop environment is more likely to want =
it.

Over the years the MSI installer package has begun to be used more
frequently by individual users.   This is especially true for 64-bit
Windows because there is no EXE option available.  When integrated logon
is turned on by default and it is not properly configured this can cause
long delays when attempting to logon to the machine.  Proper
configuration requires a cell name, perhaps a realm name, and Kerberos
configuration data available either via local configuration files or DNS
SRV records.  This long delay results in end users (and even some
experienced OpenAFS developers) believing that OpenAFS has somehow
broken their machine.

What I want to do is change the default in the MSI installer to be "off"
[var.LogonOptions =3D "0"] but such a change will cause site specific
transforms to do the wrong thing unless the transform is rebuilt.  Even
though this change will be documented in the ChangeLog, the Release
Notes, and in the Release Announcement I suspect that there are going to
be a number of sites that will get burned by this change.  We have known
about this problem for many years now and have put off dealing with it.=20
The question is, "is now the time to address the problem and prevent
additional end users from getting burned when they decide to experiment
with OpenAFS for Windows on their machine?"

One option would be to hold off on this change for another month or two
and apply it to the tree just before the 1.6 branch is cut.

Thoughts?

Jeffrey Altman



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