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What are the differences between NT and 9x profiles?
John Savill
March 4, 1999
1 Min Read
A. The first differences is that difference files are used:
Windows NT | Windows 9x |
|---|---|
NTuser.dat | User.dat |
NTuser.dat.LOG | User.da0 |
NTuser.man | User.man |
The Windows 9x User.da0 and the NT NTuser.dat.Log files work in a different way. Everytime you log off in Windows 9x a copy of User.dat is copied to to User.da0. Windows NT uses NTuser.dat.LOG as a transaction log file to provide fault tolerance. This allows Windows NT to recover the user profile if a problem occurs while Windows NT is updating NTuser.dat.
This obviously means you can't share a profile between the two OS's. Other differences include:
Windows 95 does not support common groups
Windows 95 user profiles do not copy all desktop items, copied items are restricted to shortcuts (.lnk) and program information (.pif) files.
Windows 95 user profiles don’t support a centrally stored Default User profile.
Windows 95 clients don’t use the Windows NT Server profile path to obtain roaming user profiles. They can be retrieved only from the user’s home directory.
To use mandatory user profiles on computers running Windows 95 on a Windows NT Server network, an administrator must create a custom user profile for each user and copy the user profile files to each user’s home directory.
Windows 95 does not support the Application Data folder that makes up the folders structure.
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