Microsoft – Changing SID of cloned VMs

On the machine level, every computer is identified by a unique value; named Security ID or SID. SID is calculated in the process of the installation of every Windows machine. Whether the computer is part of the workgroup (or it’s just a stand-alone computer), the value of SID is not crucial. Read More …

Importing large White and Blacklists into Exchange Online Protection using Powershell

When migrating to Office 365 and setting up Exchange Online Protection (EOP), you may find that you have a large Read More …

VLANs Configurations

A Local Area Network (LAN) was originally defined as a network of computers located within the same area. Today, Local Read More …

Exchange Online – Whitelist a Domain to bypass Spamfilter

SPAM, the final frontier, these are the voyages of the Exchange Online Protection, it’s continuous mission, to seek out new Read More …

Disable AutoDiscover feature in Outlook 2010 in co-existence scenario (Office 365)

During a migration from a “legacy” Exchange infrastructure, like Exchange 2007 or Exchange 2010, to Exchange Online (Office 365) you’ll Read More …

How (and why) to change Domain Controller and Global Catalog servers used by Exchange 2010/2013

There are two possible scenarios in which we have to specify (hardcoding) a specific domain controller, and global catalog, on Read More …