Windows has a useful feature that allows to display the information about the last interactive sign-in attempt directly on Windows Welcome screen. It looks like this: each time when a user types the password to logon into the system, the information about the date and time of the last successful.. read more
Knowledge base for system administrators
How to Extract Windows User Passwords from Hiberfil.sys
Mimikatz, a tool that allows to extract Windows credentials as plain text from LSA, is available since 2012. However, besides a well-covered feature of recovering passwords from the memory of a running OS, it has another interesting capability. Further a step-by-step instructions are given, how to easily extract the Windows.. read more
Enable Multiple Concurrent RDP Sessions in Windows 8
In Windows 8 and 8.1, like in previous Microsoft client OS versions, only one simultaneous incoming RDP connection is supported. It means that only one user (one session) can simultaneously connect to a Windows 8 computer using the Remote Desktop. In most cases it is enough, but sometimes it would.. read more
How to Remove an Inactive NFS Datastore on VMWare ESXi Host
Several times I have come across the situation when the NFS datastore on the VMWare ESXi host becomes unavailable / inactive and greyed out in the host’s storage list. However, the NFS storage stays available on the network level. Usually, it can be solved by removing the NFS storage and.. read more
How to Increase Maximum Attachment Size Limit in Outlook
There is a 20 MB limit on the maximum attachment size in Outlook mail client (including the latest 2010 / 2013 versions). It doesn’t matter if a single large file or several small ones are attached — the total attachment size would not exceed 20 MB.
Windows Server 2012 R2 Licensing and Virtualization
In this article we’ll consider licensing peculiarities of the new generation of server OS family — Windows Server 2012 R2 when using the new model of the dual-processor licensing. Also, we’ll tell about the rules and order of licensing to use virtual machines as a guest OS with the support.. read more
How to Move and Truncate Logs in Exchange 2013
After Exchange deployment, it turns out that in spite all requirements to the amount of free space for Exchange Server have been met, it is inevitably reducing… When trying to deal with it, we realize that different logs grow faster than we could expect. What can we do with them?.. read more
Port Forwarding in Windows
In Microsoft Windows, starting from Windows XP, there is a built-in ability to set up network ports forwarding (port forwarding). Due to it, any connection coming to any port can be forwarded to another local port or even to port on remote computer. Not necessarily that the system has a.. read more
SMB 1.0 Support in Windows Server 2012 R2
A new version of SMB 3 protocol was presented in Windows Server 2012 R2 (technically, it is SMB 3.02, since SMB 3.0 appeared in Windows Server 2012), the driver of the outdated SMB 1.0 is now disabled and its components are not loaded. Since SMB 1.0 is not supported, the.. read more
How to Restore Default Fonts in Windows 8.1
If you accidentally delete or replace one or more system default fonts in Windows 8.1 / 8 you can try to restore them. The issue of missing fonts can manifest itself as follows: in system dialog boxes (and some other windows) instead of normal symbols something strange or unreadable symbols.. read more
