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Acronis True Image Home 10 - Increasing IRPStackSize Does Not Help

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I am trying to help a friend who has a XP PRO sp3 computer and a Windows 7 sp1.
The XP PRO machine had several shares which the Windows 7 could access.
After he installed Acronis True Image Home 10 the Windows 7 computer could no longer access the shares.
I created the IRPStackSize value in 'HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters' and tried values ranging from 18 to 50 decimal.

The sequence was:
- Uninstall Acronis, Reboot XP PRO
- Delete IRPStackSize in registry, Reboot XP PRO
- Create IRPStackSize in registry and increment the value by 3 (from 18 to 50 decimal) each test, Reboot XP PRO
- Install Acronis, Reboot XP PRO
- Reboot Windows 7 computer, test share

This was not successful.

I have a couple of questions:
1. I read in another thread that the IRPStackSize may be in one of the other CurrentControlSets. Can the 'IRPStackSize' exist in another ControlSet If I found the LanmanServer\Parameters in CurrentControlSet?
2. Would the problem be resolved with a newer version of Acronis such as 2012 or 2013?
3. I do not need to adjust the IRPStackSize on the Windows 7 computer, correct?

Thanks in advance.

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Did you install True Image Home v10 or True Image Home v2010 on the XP system? They are not the same.
Have you verified that after un-installing True Image Home from the XP system that the shares could still be accessed?

Sorry, it is Acronis True Image Home 2010.
After uninstalling Acronis, the shares work again.

This is indeed odd. Have you tried running the Windows XP Network setup wizard after installing 2010?

No, I have not.

From my original post:
1. I read in another thread that the IRPStackSize may be in one of the other CurrentControlSets. Can the 'IRPStackSize' exist in another ControlSet If I found the LanmanServer\Parameters in CurrentControlSet?

When you boot to Windows, the "current control set" is used. The additional "current control sets" are for recovery to earlier versions if Windows fails to start or you have problems. They are only used if you boot Windows up to the options menu using F8 at boot time and selecting "boot to last known good configuration".

Thank you for the explanation.

I must have spent at least 6-7 hours on this problem so I am ready to try something different.
From my original post:

I assume that I *do not have* to modify the IRPStackSize on the Windows 7, correct?

Also, Would the problem be resolved with a newer version of Acronis such as 2012 or 2013?

I would suggest that you un-install 2010 and obtain the 2013 trial and give it a try. Maybe your results will be different with 2013.
You should not have to change anything on the Windows 7 system concerning the IRPStackSize.
Most problems I have found when sharing between XP and Windows 7 can be corrected by adjusting settings in Windows 7 Network and Sharing Center, as well as verifying permission settings on the shares and shared folders in XP.
I never had a problem such as yours from installing any Acronis product, but that is not to say it couldn't happen.

A couple of questions:
1. What specific settings should I look into in the Network and Sharing Center in Windows 7?
2. If the sharing worked between XP PRO and Windows 7 *before* the installation of Acronis True Image Home 2010 - why would I need to make any adjustments to above and/or the permissions in XP?

I am not being critical ... just trying to understand what is going on (or not going on) :).

James F wrote:

I would suggest that you un-install 2010 and obtain the 2013 trial and give it a try. Maybe your results will be different with 2013.
You should not have to change anything on the Windows 7 system concerning the IRPStackSize.
Most problems I have found when sharing between XP and Windows 7 can be corrected by adjusting settings in Windows 7 Network and Sharing Center, as well as verifying permission settings on the shares and shared folders in XP.
I never had a problem such as yours from installing any Acronis product, but that is not to say it couldn't happen.

Believe it or not ... it had nothing to do with the version of Acronis.
The date on the Windows 7 computer was wrong and exactly 24 hours ahead of the Windows XP Pro computer.

Thanks for the update. Glad you are up and running.