📎 AI Summary:
The forum discussion addresses the maximum length of environment variables in Windows. The original poster struggles with a 2047-character limit when editing the Path variable in Windows 7, while a respondent clarifies that the overall environment variable size limit is 32,767 characters in Vista and later, but the Path variable specifically is limited to 2047 characters. The key solution suggested is editing the environment variables directly in the Windows registry to manage longer paths, indicating that modifying the registry can bypass the Path length restriction. The overall tone is technical and solution-oriented.
E

Edward Feustel

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Thread Author #1
There appears to be a maximum length requirement on Environment strings of 2047. Apparently
I went far past this in Windows 7 PRO and can not now sensibly make a change.

Is there a way that I can increase this length or use intermediate environment strings to build one
substantially longer than 2047.

Thanks,
Ed Feustel
 

Solution
Neemobeer
Ok yeah that makes more sense. The path limit is 2047. If it's too long you'll need to edit the value in the registry to reduce the size.
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Neemobeer

Neemobeer

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#2
If you mean environment variable the max size is 32767 characters in XP and no limit on Vista and newer
 

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Edward Feustel

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Thread Author #3
When I attempt to save an edited Path in the System Environment I am told that the maximum is 2047.
This may be one part. Editing now splits variables into a list of parts. But since I cannot save an edit, I cannot
reduce the length.
 

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Neemobeer

Neemobeer

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#4
Ok yeah that makes more sense. The path limit is 2047. If it's too long you'll need to edit the value in the registry to reduce the size.
 

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Solution
Neemobeer

Neemobeer

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#5
Key path if you want to edit the value in the registry
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment
 

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