Certificate could not be validated
forums at david-woolley.me.uk
Thu May 18 09:00:25 EDT 2017
On 18/05/17 13:30, Evalee Gress wrote:
> Could this be due to a Microsoft update?
Most unlikely. A Microsoft update might remove trust for a root
certificate, but the error you are getting is that the certificate is
> When I asked my IT dept. about this, they said they thought it might be due to a Microsoft update. Is that possible?
When it comes to security, IT departments shouldn't be guessing!
However, if you are using the machine for the companies purposes, you
can act on their advice to ignore the error, as it is the company's
security that is at risk, so they have the right to decide when to
Certificates have a limited life because of similar reasons to those for
which credit and debit cards get replaced. The longer a particular
certificate is in use, the longer the bad guys have to break the
encryption. Also, flaws can be found in the methods used, and new
certificates allow believed safer methods to be used; this has actually
If the company doesn't need security for this application, beyond that
which applies to the whole network, they should disable encryption,
unless the server does not allow that.
> Other than that, they didn't know what could be causing the problem.
The problem is very clear. They have failed to replace the server
certificate before it expired. I am definitely concerned that the IT
department was unable to understand that error.
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