[AccessD] 64-but ONLY front end ?

Jim Dettman jimdettman at verizon.net
Fri Jan 6 05:52:41 CST 2017


Actually, many forms is not even a good reason.

Nothing in Access for 64 bit is different than the 32 bit version.  All the
internal constraints are still there (like 2048 table ID's).

The only reason to use 64 bit Office is if you need:
1. Very large spreadsheets in Excel
2. Very large projects in MS Project
3. Very large projects in Visio.

 If you don't need that, then there's no reason to use it and a lot of
reasons not to (lack of drivers and 3rd party support).

 Microsoft still recommends 32 bit for just about everyone and
unfortunately, Ryan is on the bleeding edge, because very few are using 64
bit because of the above.

Jim.
 

-----Original Message-----
From: AccessD [mailto:accessd-bounces at databaseadvisors.com] On Behalf Of
Charlotte Foust
Sent: Friday, January 06, 2017 01:10 AM
To: Access Developers discussion and problem solving
Subject: Re: [AccessD] 64-but ONLY front end ?

IMO that's a pretty poor reason to go to 64-bit Office.  If the design were
better, you wouldn't need a bazillion forms open simultaneously.

Charlotte Foust
(916) 206-4336

On Thu, Jan 5, 2017 at 7:39 PM, Ryan Wehler <wrwehler at gmail.com> wrote:

> Hello Listers!
>
> Has anyone migrated their app to 64 bit only?
>
> I've recently started migrating from Office 2003 to Office 2013 (what we
> have licensed). I've been testing and upgrading and learning about ribbons
> and finding code that doesn't work well under 2013 that worked previously.
>
> The one problem I'm consistently running into is if I have more than a
> couple forms open I start getting "Resource Limit Exceeded" messages. From
> what I gather, this is usually the 32 bit Virtual Memory limit (2GB)
> running 32 bit applications on a 64 bit operating system.
>
> If I run Access 2013 64 bit (In a virtual machine) I can open as many tabs
> as my heart desires (I opened so many forms up in my app that my tab bar
> had scroll arrows!) and not a peep about resource problems.
>
> I did some of the stuff suggested out on the web like make sure objects
> get closed and set to 'nothing' when they aren't needed (which there
> weren't many places that wasn't happening anyway)... and even tried
running
> msaccess.exe in XP compatibility mode (which was what someone suggested to
> get around this).
>
> Access 2013 is fully patched and I've tried a number of hot fixes and
> registry tweaks posted by both MS and other users on the web to no avail
as
> well.
>
> None of that's worked... so I'm debating moving my users in house (the
> only place I have to support) to 64 bit Office or Access runtime where
> applicable. I've already modified all my API calls to to be PtrSafe and
> kept some compiler constant if/then/else statements in place in case I
> *HAVE* to run 32 bit somewhere (but then I'll need a way to compile the 32
> bit accde file... *sigh*)
>
> In short / TL;DR: Has anyone moved exclusively to 64 bit and what problems
> did you face and are you happy overall with doing so?
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