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print this documentDocument ID:2009122808322548
Last Modified:02/17/2010

What is PendingFileRenameOperations and why do I get that error during installation?

Situation:What is PendingFileRenameOperations and why do I get that error during installation?

Solution:While installing Symantec Products , we get an error “Symantec Endpoint Protection has detected that there are pending system changes that require a reboot. Please reboot the system and rerun the installation.”
 
To resolve this issue, typically, you would navigate in the registry to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SessionManager and locate the PendingFileRenameOperations key and rename it to  PendingFileRenameOperations2 and then try to install the product.
  
But why do we get the error?
   
The fact that executable images and DLLs are memory-mapped when they are used makes it impossible to update core system files after Windows has finished booting. The MoveFileEx Windows API has an option to specify that a file move be delayed until the next boot. Service Packs and hotfixes that must update in-use memory mapped files install replacement files onto a system in temporary locations and use the MoveFileEx API to have them replace otherwise in-use files. When used with that option,
MoveFileEx simply records commands in the PendingFileRenameOperations and PendingFileRenameOperations2 values under HKLM\SYSTEM\CurrentControlSet\
Control\Session Manager. These registry values are of type MULTI_SZ, where each operation is specified in pairs of file names: the first file name is the source location, and the second is the target location. Delete operations use an empty string as their target path.
  
The PendingFileRenameOperations key stores the names of files to be renamed when the system restarts. It consists of pairs of file names. The file specified in the first item of the pair is renamed to match the second item of the pair. The system adds this entry to the registry when a user or program tries to rename a file that is in use. The file names are stored in the value of this entry until the system is restarted and they are renamed. This entry is not created by the Operating System.
 
In order to prevent such things from happening in the, it is mandatory to reboot the server after installing any application/driver when it requests for a reboot immediately.


References:https://www-secure.symantec.com/connect/articles/pending-file-rename-operations

print this documentDocument ID:2009122808322548
Last Modified:02/17/2010


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Product(s): Endpoint Protection 11, Endpoint Protection Small Business Edition 12, Symantec AntiVirus Corporate Edition 10.0
Operating Systems(s):
Date Created: 12/27/2009

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