I am afraid to change the owner of the directory to myself in fear of breaking something else. Does anyone have any suggestions? Thanks, Justin. Popular Topics in Windows Server. Which of the following retains the information it's storing when the system power is turned off? Submit ». Pure Capsaicin. Windows Server expert. When you log on to a computer, the User Profile Service loads the hive file from the location specified in your user account properties and populates HKCU for that session.
If you happen to be logged on to more than one computer at a time, two copies of your profile will be open, populating the contents of HKCU on each computer. Profiles can be cached on the server to speed up logons if you set the corresponding Group Policy.
It also lists the profiles used by the System account, Network Service account, and the Local Service account. As you can see, machine accounts have profiles just like user accounts do. The users are identified by security identifiers SIDs , but you can distinguish them by browsing the keys.
Log on again, and the key with the same SID will be repopulated. DAT at logoff, in the same way that you might open a Microsoft Word document when you log on, type in it for a while, and then save the document when you log off.
This has some important implications for a remote environment. As an example, imagine this scenario: You are logged on to two different computers and you open a new Word document in each session. Next you save the file in Session 2 as Myfile.
The next time you open Myfile. So it is with profiles, which are just another type of file. If you log on to two sessions, each of which is using the same roaming profile, you will have two copies of your profile open. DAT until you log off. Unlike the Word. As in the previous example, if you have a profile open in Session 1 and in Session 2, log off Session 1 and then log off Session 2, only the changes made to the Session 2 copy of the profile will appear when you log on again and reload that profile.
If you do, then by definition, every time you log on to your computer and then log on to an RD Session Host server, you will be opening two copies of your profile. You will almost certainly lose profile data this way. You might be wondering whether opening two RemoteApp programs from a single RD Session Host server opens one or two copies of your profile.
On a terminal server running Windows Server , you could create a Remote Desktop Protocol RDP session that would open a single application instead of displaying the entire desktop. If you presented individual applications this way, then each time a user opened an application on the same server, he would open a separate session and therefore a separate copy of the profile. Windows Server improved on this design in two ways.
First, it introduced RemoteApp programs. All RemoteApp programs started from the same server by the same user account run in the same session, so they open only a single copy of your profile. If it does, then the user will be routed to the same session to start the application. So, what is the result? Not all parts of a profile are stored in HKCU.
DAT file also contains other folders that contain user data as well as application-specific data. More folders might be available, depending on which applications you have installed. File and folder shortcuts; these show up under the Favorites menu on the left side of an Explorer window.
Default location for saved searches performed from the Search Programs And Files input box on the Start menu. Windows 7 and Windows R2 retain this new profile structure. The new structure uses more folders to organize the data. This is because profiles have evolved over time and the structure of profiles has changed.
Windows XP and Windows Server profiles are called version 1 V1 profiles; profiles using the structure of Windows Vista and Windows Server and later are called version 2 V2 profiles. A V2 user profile folder is distinguished from its predecessors by an added. V2 extension. As you might have noticed in Table , the Local Settings folder from V1 profiles does not exist in V2 profiles, and many V1 profile folders are now consolidated under the AppData folder in V2 profiles.
Why does this reorganization of data matter? One big accomplishment of the V2 profile reorganization is that machine-specific data is now separated from user-specific data. V1 profiles kept machine-specific and user-specific data scattered through the profile. V2 profiles sort this data and do a better job of separating user-specific data from data that is either too large to roam with the user or is specific to a particular machine and therefore should not roam.
OST file. The changes to the profile structure between the operating systems are one reason why you should not combine Windows 7 and Windows XP VMs in the same pool.
First, keeping user data within the profile folder increases the profile size. A large profile increases the time that it takes for users to log on and log off because the data in the profile must be cached on the RD Session Host server.
This will cause users a great deal of grief and bring you many unsolvable calls to the Help desk. The Recycle Bin is a hidden file in the root of the profile folder. The third reason applies to VMs, whether pooled or personal. In the case of a personal desktop, saving files locally preserves them, but it complicates file restore because the files are stored in the VM.
Saving the files separately makes it easier to restore them, and the easiest way to do that is to enable Folder Redirection. In the case of pooled VMs, Folder Redirection is essential. As with mandatory profiles, saving files to local folders on a pooled VM can lead to lost data. That rollback means that any documents saved to the VM would be lost. For now, just know that redirecting profile folders means just that: storing profile subfolders and the data within them, outside the main root profile folder.
Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services. Privacy policy. Thank you. Microsoft makes no warranties, express or implied, with respect to the information provided here. Use the ApplicationDataContainer. Values property to access the settings in the localSettings container. This example creates and reads a setting named exampleSetting.
Call the ApplicationDataContainerSettings.
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