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Can Norton antivirus cause intermittent Viewstate errors?

We are having a maddening problem with random "validation of viewstate MAC
failed" errors, even if the web farm is shut down to a single server. It now
susepect that Norton antivirus is causing application pool recylcing on IIS
6.

Does this sound plausible... anyone else seeing this problem?
Mar 24 '06 #1
3 1704
I've heard of this before if Norton is allowed to scan all directories since
it could affect the web.config of a directory (causing the app to recycle)
and/or the ASP.Net temp directories. With luck, someone who has been able to
directly counter this will be able to comment more on the steps they took,
but yes, it is a very plausible occurance.

Hope this helps,
Mark Fitzpatrick
Microsoft MVP - FrontPage

"Ray Stevens" <nf*@nospam.com > wrote in message
news:%2******** ********@TK2MSF TNGP11.phx.gbl. ..
We are having a maddening problem with random "validation of viewstate MAC
failed" errors, even if the web farm is shut down to a single server. It
now susepect that Norton antivirus is causing application pool recylcing
on IIS 6.

Does this sound plausible... anyone else seeing this problem?

Mar 24 '06 #2
Ray Stevens wrote:
We are having a maddening problem with random "validation of viewstate MAC
failed" errors, even if the web farm is shut down to a single server. It now
susepect that Norton antivirus is causing application pool recylcing on IIS
6.

Does this sound plausible... anyone else seeing this problem?

Well, have you tried shutting down Norton on a dev box to test?
Mar 26 '06 #3
We are not seeing this in dev.

"Ray Booysen" <rj***********@ rjb.za.net> wrote in message
news:eu******** ******@TK2MSFTN GP14.phx.gbl...
Ray Stevens wrote:
We are having a maddening problem with random "validation of viewstate
MAC failed" errors, even if the web farm is shut down to a single server.
It now susepect that Norton antivirus is causing application pool
recylcing on IIS 6.

Does this sound plausible... anyone else seeing this problem?

Well, have you tried shutting down Norton on a dev box to test?

Mar 27 '06 #4

This thread has been closed and replies have been disabled. Please start a new discussion.

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