Windows Server, Microsoft Exchange , Office 365 Tutorials

Repairing DHCP database

Windows Server 2008 R2

June 19, 2021

Hey guys, this week I wasted a lot of time on DHCP database repairing troubleshooting, my customer tried to recover the DHCP server from Veeam back, and After recovering the server he has tried to start […]

How to Fix “default server unknown nslookup”

Windows Server 2008 R2

May 21, 2016

Hello everybody, today I’m going to teach you how to fix a very common problem. When you have established a new Domain Controller, by default, you will get an error notification when you try running […]

Resetting Domain Controller Secure Channel

Windows Server 2012R2

March 12, 2021

Over last weeks I got annoying error event on my customer’s domain controller, for some reason, the replication stopped, some clients who were connected to DC01 got errors like incorrect password while interesting their password or […]

How to allow Organizational Forms in office 365

April 26, 2017

In our Exchange legacy versions we used in the Organization Forms Library, which allows for users to create forms on Outlook, and build custom forms. It’s pretty useful for some departments, By default in office […]

How to export mailbox to PST file office 365

June 1, 2016

Hi there, Today I want to introduce you a helpful feature in Office 365: In office 365 there is a good feature as built -in that called e-Discover. Discovery is a useful tool which allows […]

Get empty DL and delete them

August 8, 2016

How to get all distributions list on your organization which is empty using Powershell? You have to use the following command: Get-DistributionGroup | Where-Object { (Get-DistributionGroupMember –identity $_.Name).Count –eq 0 } | select PrimarySmtpAddress | export-csv C:\EmptyDL.csv By the […]