EXCHANGE   Exchange – Mailbox folders permissions to other users



A user asked me the way to grant permissions to other users to access to some of his mailbox folders. And for certain folder only read-only permissions.

Let’s suppose “testuser1” wants to allow accessing some folders to “testuser2”.

Permission configuration (Outlook)

First of all, “testuser2” must have “Reviewer” (read-only) permissions on the mailbox root
Exchange – Mailbox folders permissions to other users 1

Exchange – Mailbox folders permissions to other users 2

Then, configure the permission … Read more

POWERSHELL   Powershell – Script to clone AD groups



Last week I came across a situation where I needed to copy Active Directory groups (including members) to new groups.

Scenario

Suppose we want to clone the “SG-Test1” and “SG-Test2” groups
Windows – Powershell script to clone AD groups - Old Groups

We need two groups (“SG-NewTest1” and “SG-NewTest2”) to be created with the same members included
Windows – Powershell script to clone AD groups - New Groups

Using this powershell scripts you can either clone a single group a list … Read more

POWERSHELL   Powershell – Schedule a task on a list of servers remotely



Maybe you have been interested in configuring a scheduled task on a set of servers of your enviroment. Depending on the quantity it can become a tedious… or a reeeaaaaally tedious process (connect to every server, run "scheduled tasks" console, configure…)

So, as we, sysadmins, usually do… let's make the work easier using scripts…

In this example, the goal is Read more

POWERSHELL   Powershell – Script to move profile folders



Sometimes we need to move the profiles to a new folder, drive… due to space requirements for example.
The usual way is via the graphical interface:
Powershell - Script to move profile folders 1

But performing this action for a set of users can take us a lot of time and, as a sysadmin should think, the best way to complete this tasks is to work some … Read more

POWERSHELL   Powershell – Example of recursive function



A recursive functions is a function that makes a call to itself. Recursion is usually used to process tree-like or nested structures with much simpler code than using iterative functions.

This post shows an example in which we need to count the number of files of a folder and each subfolders.
When processed this structure of folders…
Powershell - Example of recursive function

…this is the … Read more

POWERSHELL   Powershell – Get-Content error if filename contains brackets



I needed to get the first 5 bytes of a file using the powershell:

PS D:\> Get-Content "D:\TEST\file.txt" -Encoding byte -TotalCount 5
102
100
115
97
102

But for some files the Get-Content command returns the following error "A parameter cannot be found that matches parameter name 'Encoding'"

PS D:\Scripting\CORRUPT> Get-Content "D:\TEST\file[1].txt" -Encoding byte -TotalCount 5
Get-Content : A parameter 
Read more

POWERSHELL   Powershell – Excel reports automation (I)



Powershell can be very useful to extract data from our systems.
Excel can be very useful to show that data in a friendly way.
Powershell + Excel = Automatic generation of useful reports

These are the basic powershell sentences and functions needed to start generating our Excel reports using Powershell scripts:

Excel COM object

It is neccesary to reference a … Read more

EXCHANGE   Exchange – Monitor mailbox database copies using Nagios



This post shows a Powershell script I use to monitor the status of my Exchange mailbox database copies and raises a critical alert if any of them is not "Mounted" or "Healthy".
Exchange Nagios Database Copies OK

Exchange Nagios Database Copies Alert

The script takes advantage of the Nagios passive checks and the configurations shown on my previous post "Nagios – Using passive checks without agent".

Here is … Read more