Unable to Install Print Driver after KB3170455

Posted on October 7, 2016 · Posted in Windows 10, Windows 7, Windows Server 2008 R2
A policy is in effect on your computer which prevents you from connecting to this print queue.

We have found an unpleasant problem with one of Microsoft security updates released in July. We mean KB3170455 released on July, 12, 2016. After the installation of this update, the problem of network printer connection may appear in the domain.

Auditing Users Password Strength in AD

Posted on October 5, 2016 · Posted in Active Directory, Powershell
Active Directory Password Quality Report

The complexity of a user password in Active Directory domain is one of the key security elements both for user data, and the entire domain. As a rule, users prefer to use weak, easy-to-remember passwords. Thus, they significantly reduce the level of protection against hackers for their accounts. In this.. read more

Windows 10: Unable to Download WSUS (0×80244019) Upgrade Packages

Posted on October 3, 2016 · Posted in Windows 10, Windows Server 2012 R2
WSUS 2012 Upgrade class

WSUS for Windows Server 2012 or higher supports the installation of both common security patches and large upgrade packages (upgrades in Microsoft terminology) on Windows 10. However, this feature doesn’t work out-of-the-box: these upgrades (they are called Redstone in Windows 10 concept) simply cannot be downloaded on clients. Let’s consider.. read more

KB3161949 Breaks SMB over NETBIOS Access Outside the Local Subnet

Posted on September 30, 2016 · Posted in Windows Server 2012
AllowNBToInternet

We have just learned what to do with MS16-072 update breaking the familiar GPO mechanism, and there appeared new problems with another security bulletin released in June — MS16-077 and KB3161949 update. After this update is installed on server systems, clients from other subnets are not able to connect to.. read more

Unable to Connect Windows 10 Shared Printer to Windows XP

Posted on September 28, 2016 · Posted in Windows 10, Windows XP
XP add printer using local port with unc path

Recently, one of my customers has found that after installation of the upgrade from Windows 8.1 to Windows 10, the network printer connected to this computer stopped printing documents from other computers running Windows XP. (In spite the end of support for Windows XP, it still widely used in SOHO.)

MS16-072 Update Break Some Group Policies

Posted on September 26, 2016 · Posted in Group Policies
GPO security filtering breaks after MS16-072

In June 2016, Microsoft released security updates that changed the standard mechanism of applying Windows group policies. The updates in question released in MS16-072 security bulletin of June 14, 2016, are to eliminate vulnerabilities in the GPO mechanism. Let’s consider why this update has been released and what a system.. read more

Fix Disk Is Write Protected Error in Windows 10

Posted on September 24, 2016 · Posted in Windows 10
The disk is write protected

In some cases, when trying to copy some files to a USB disk or flash drive, a user may see the notification “The disk is write protected“. This guide shows how to remove write protection of a USB disk/flash drive in Windows 10 (this methods are applicable for earlier Windows.. read more

How to Refresh AD Groups Membership Without User Logoff

Posted on September 21, 2016 · Posted in Active Directory
klist -lh 0 -li 0x3e7 purge

 All administrators know that after a computer or a user is added to an Active Directory group the computer has to be reboot (if the computer account has been added to the domain group) or a user has to be logged off and on again to update group membership or.. read more

Configuring Kerberos Authentication on IIS Website

Posted on September 20, 2016 · Posted in Windows Server 2012 R2
Fiddler - Authorization Header (Negotiate) appears to contain a Kerberos ticket

Here is a step-by-step guide on how to configure the transparent SSO (Single Sign-On) Kerberos domain user authentication on the IIS website running Windows Server 2012 R2. Start IIS Manager on your Web server, select the necessary website and go to the Authentication section. As you can see, only Anonymous.. read more

User Account Control Slider and Group Policy Settings

Posted on September 14, 2016 · Posted in Group Policies, Windows 10, Windows 7, Windows 8
UAC Slider in Windows

In Windows Vista, Microsoft introduced a new mechanism, providing an additional level of protection against unauthorized modifications called UAC (User Account Control). In Windows 7 (or higher), UAC has got a setting slider (called from the Control Panel or UserAccountControlSettings.exe), which allows to select one of four UAC protection levels.