18 mars 2013

Access denied on Admin share in Windows 2012

One thing you may not know is that when you add a disk to a Windows 2012 virtual machine under vSphere 5, it gets added and tagged as removable. The consequence of this tag is that when you try to access that disk using \\servername\e$, a popup message appear: "Windows cannot access \\servername\e$ You do not have permission to access \\servername\e$. Contact your network administrator to request access." If you look on the security log of your Windows server: an audit failure should have appeared --> please see the rest on... [Lire la suite]
Posté par jcdemarque à 10:28 - - Permalien [#]
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30 mai 2010

How To Block A User From Sending & Receiving Emails Externally In Exchange 2010…

Some organizations have strict security policies when it comes to email. Most of you have seen a request from HR or Legal asking you to block a particular user (maybe a temp) from sending and receiving emails from outside the organization. This can be accomplished with transport rules or a combination of transport rule and shell command. We can configure a transport rule to block the user from sending emails externally. There are two options, either we can delete the emails which the user tries to send without notifying anyone... [Lire la suite]
Posté par jcdemarque à 22:00 - - Permalien [#]
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04 novembre 2009

Block Bad Guys With Windows 2008 R2's Nifty New DHCP MAC Address Filtering Tool

When I first saw that Windows NT Server 3.5 included something called a "DHCP server" that freed me from having to hand-configure static IP addresses on every one of my IP-connected computers, I was delighted, and I've used Microsoft's DHCP in my networks ever since.  Now, between NT 3.5 and now, DHCP hasn't really changed all that much.... unless you're talking about the DHCP server service shipped with Windows Server 2008 R2. The new stuff in R2 isn't earth-shattering, but it is convenient, and provides a sort of... [Lire la suite]
Posté par jcdemarque à 07:10 - - Permalien [#]
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