IIS 7 and Above
GZIP Compression in IIS 7.5 is not working, How to trubleshoot? Pleas...
Re: GZIP Compression in IIS 7.5 is not working, How to trubleshoot? P...
Nov 09, 2010 09:39 PM|Lloydz|LINK
Please take the following steps to grant the write permissions:
Right click the folder -> Choose properties -> Select Security tab -> Click Edit -> Grant write permission to the user.
Please also check the following article to get detail information about Built-In User and Group Accounts in IIS 7.
Understanding Built-In User and Group Accounts in IIS 7
You can also use
process monitor to trace which user intends to take write operation for the folder.