IE 10 and up introduced the Jet Blue database format for roaming Cookies 
(that's the file you're seeing). This has also become the choice for the Start 
Tiles in Windows 10.

If you want to make them use the old index.dat instead, ensure that all patches 
are up-to-date (I believe MS14-035 is the one that reverts the behaviour), and 
make them roaming profiles. Citrix UPM normally marks the profiles as roaming, 
as I remember, is that what you are observing?

Did a lot of whingeing about this behaviour on my blog

http://appsensebigot.blogspot.co.uk/2015/02/ie10-and-ie11-cookies-and-history.html

http://appsensebigot.blogspot.co.uk/2015/02/ie10-and-ie11-cookies-and-history_18.html


From: [email protected] [mailto:[email protected]] On 
Behalf Of Webster
Sent: 13 October 2015 14:52
To: [email protected]
Subject: [NTSysADM] Issue with WebCacheV01.dat for IE10 and IE11

Server 2012 with IE10 and 2012 R2 with IE11 all running XenApp 7.6. All servers 
have been fully patched along with all recommended RDS hotfixes and Citrix 
hotfixes.

Folder Redirection and Citrix User Profile Management are in use.

When a user launches IE or a web app that uses IE (some use Firefox and some 
use Chrome), the first time the app is launched, IE appears to start and then 
exits. The following event is recorded for each user:

taskhostex (6704) WebCacheLocal: Database 
'c:\users\cwebster\AppData\Local\Microsoft\Windows\WebCache\WebCacheV01.dat': 
The secondary index 'PartitionIdIndex' of table 'Containers' may be corrupt. If 
there is no later event showing the index being rebuilt, then please defragment 
the database to rebuild the index.

The second time IE or the app is launched, it runs successfully and any 
subsequent launches of IE that occur for that user on the same server run with 
no issues. Once the user exits IE or a web app their local cached profile is 
deleted. I am wondering if I remove the policy setting to delete the local 
cached copy of the profile, if that would keep this file from constantly having 
to be recreated on each server.

They only have 75 users so I don't believe the space required for the local 
cached profiles will be that much. The servers are virtual so additional space 
can be added to the C drive if needed.

Anyone else seen this issue with IE and this WebCacheV01.dat file? The 
interwebs turn up lots of hits but no real solution yet.

Thanks


Webster


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