Re: IIS6 ASP Crystal DLL
From: MPadovani (MPadovani_at_pdssoftware.com)
Date: 05/13/05
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Date: 13 May 2005 10:42:57 -0700
I've run into a similar situation a couple of times. In both cases the
solution was to unregister one of the Crystal DLLs and then reregister
it by using Component Services/COM+ Applications (instead of regsvr32),
specifying that it should run in the context of a user who has more
rights. The DLL that needs to be reregistered is either craxddrt or
craxdrt.
Sunil DHURVE wrote:
> hello david,
> thanks for all your support,
> I hope I can get some answer from bloody Crystal people.
> once again thanks and talk to you later
> sunil
>
> "David Wang [Msft]" wrote:
>
> > No, that's a bug in Crystal reports because it assumes it is
running with a
> > user credential that can write to that folder. Crystal support
should be
> > able to tell you which user identity it is using to do that work.
> >
> > Your basic choices are:
> > 1. Change ACL on the temp directory to allow access to the user
account
> > Crystal runs with
> > 2. Change process identity to have write access to the temp
directory
> > 3. Change Crystal to use a user identity that has write access to
the temp
> > directory
> >
> > None of the choices should be made by you. Crystal reports needs to
tell you
> > what is the supported and secure way to configure for their
software's
> > needs. My guess is that #1 should be preferred. #2 is a very poor
choice,
> > and #3 potentially requires new code from Crystal to handle.
> >
> > --
> > //David
> > IIS
> > http://blogs.msdn.com/David.Wang
> > This posting is provided "AS IS" with no warranties, and confers no
rights.
> > //
> > "Sunil DHURVE" <SunilDHURVE@discussions.microsoft.com> wrote in
message
> > news:87A1A994-F59F-4889-BD0C-320E90793663@microsoft.com...
> > Hello David,
> > thanks for your response,
> > Ok I tell you something when crystal exports the report it writes
some temp
> > files into c:\windows\temp which it is doing successfully in IIS6
with IIS5
> > isolation mode,
> > when I turn on the IIS6 worker model, it somehow doesnt have
permission to
> > write the temp files into the c:\windows\temp folder, do you know
how can I
> > set the permission for the w3wp.exe process so that it can write
temp files
> > into c:\windows\temp.
> > thanks for all your help!
> > regards
> > sunil
> >
> > "David Wang [Msft]" wrote:
> >
> > > Sorry, but I think that you need to ask support staff for Crystal
Report:
> > > 1. Whether they support running on IIS6
> > > 2. If yes to #1, what configuration is necessary
> > >
> > > If you follow their steps and it does not work, then they need to
show
> > there
> > > is an IIS6 bug for it to be an IIS6 issue. Otherwise, it is
simply
> > > misconfiguration of their own product -- and they are responsible
for
> > that.
> > >
> > >
> > > IIS6 has no such lockdown that you are imagining. Neither the
Crystal
> > Report
> > > DLL, nor FSO, nor your VB6 DLL are considered "part of IIS6" and
given
> > > special treatment to write to the filesystem - they are all
considered COM
> > > objects. If you configure them all to load in the same
application and one
> > > can write to the filesystem, then they can all write to the
filesystem.
> > >
> > > Bottom line: I think you are doing a whole bunch of work that
Crystal
> > > Designer support team is supposed to handle for you, and I do not
see an
> > IIS
> > > issue here at all. Crystal Designer is obligated to make this
work for you
> > > or prove it is an IIS6 bug.
> > >
> > > --
> > > //David
> > > IIS
> > > http://blogs.msdn.com/David.Wang
> > > This posting is provided "AS IS" with no warranties, and confers
no
> > rights.
> > > //
> > > "Sunil DHURVE" <Sunil DHURVE@discussions.microsoft.com> wrote in
message
> > > news:DFA20032-F753-460B-8202-AED20366B39D@microsoft.com...
> > > Hello David
> > > Thanks for your reply,
> > > you know what I already asked them and they say use Crystal
Report 9 or 10
> > > and I tried both of them but it still just creates the 0KB file
and doesnt
> > > go
> > > ahead!
> > > when I use IIS5 everything works fine, David, I am thinking there
should
> > be
> > > some way in IIS6 to tell him that please let this DLL export the
report
> > > because of tightened security.
> > > I checked all the permission and IWPG_ user all the required
permission,
> > > IIS6 is able to write to text file using FSO because it is its
own DLL,
> > > while
> > > Crystal Designer Library is not by IIS6 so I am thinkikng more
towards
> > > solving it from IIS point of view.
> > > Please let me know how can I use external DLL in IIS6 say for
example the
> > > DLL created in VB6.
> > > Regards and many thanks!
> > > Sunil
> > > "David Wang [Msft]" wrote:
> > >
> > > > You will need to obtain support for the Crystal designer
runtime library
> > > as
> > > > to whether it supports IIS6 and if so, with what configuration.
> > > >
> > > > If you are seeing a file of 0KB show up, it looks like an issue
totally
> > > > withoun Crystal designer runtime library because IIS6 cannot
prevent a
> > > > report from being exported. The fact that the 0kb file exists
shows that
> > > the
> > > > user identity used by Crystal designer runtime allows the file
to be
> > > written
> > > > to that directory -- why Crystal designer does not write the
full report
> > > to
> > > > the file -- that is a question to ask of Crystal designer
runtime
> > support
> > > > team.
> > > >
> > > > --
> > > > //David
> > > > IIS
> > > > http://blogs.msdn.com/David.Wang
> > > > This posting is provided "AS IS" with no warranties, and
confers no
> > > rights.
> > > > //
> > > > "Sunil DHURVE" <Sunil DHURVE@discussions.microsoft.com> wrote
in message
> > > > news:FD2AA17B-440F-4BE6-8BF7-C91A49D46FDA@microsoft.com...
> > > > Hello, i am having a ASP application which uses crystal
designer runtime
> > > > library to display crystal reports. it works perfectly fine
with IIS5
> > > under
> > > > dllhost.exe architecture as the IIS6 has got a worker processor
model it
> > > > IIS6
> > > > doesnt allow the crystal DLL to export the report to a
directory, it
> > > creates
> > > > teh file but the file is of 0KB and it is locked so i think
somehow i
> > have
> > > > to
> > > > let IIS6 know that let crystal dll export the report.
> > > > do you know where can i set this option or configuration please
let me
> > > konw
> > > > thanks in advance
> > > >
> > > >
> > > >
> > >
> > >
> > >
> >
> >
> >
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- In reply to: Sunil DHURVE: "Re: IIS6 ASP Crystal DLL"
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