I inherited an Exchange 2010 server running on 2008 R2. I'm trying to bring it up to date, while installing SP1 everything appears to go fine. Upon rebooting to finish the install it goes in to "reverting changes" and fails to install. Upon logon I get "Error not found 0x80070490" i see no errors in the event viewer. When I run sfc /scan now
"Beginning system scan. This process will take some time.
Beginning verification phase of system scan.
Verification 100% complete.
Windows Resource Protection did not find any integrity violations."
WIndows Update Check Util
Checking System Update Readiness.
Binary Version 6.1.7601.22471
Package Version 25.0
Checking Windows Servicing Packages
Checking Package Manifests and Catalogs
Checking Package Watchlist
Checking Component Watchlist
Checking Component Store
Seconds executed: 555
No errors detected
(w) Unable to get system disk properties 0x0000045D IOCTL_STORAGE_QUERY_PROPERTY Disk Cache
Any ideas is much appreciated. Thanks