Usman Ghani - IT professional

Preparing Active Directory is one of the most important part of Installing Skype for Business 2015.  I prepared Schema without any issue but when i started "Prepare Current Forest", its failed with following error. Error: Object…

Few days ago, I was installing Skype for Business 2015 for a client when I came across this error. Setup was quite simple as 3 Front End servers in Lync Pool, 2 Back End SQL Servers, 1 File Share & SQL Witness Server. When I reached to…

It’s a random issue that on the same Lync server some admins are not able to open Lync  Server Management PShell, It shows a blank screen and no response while other admins can access Lync PowerShell without any Issue. Solution:…

Microsoft provides a feature to reboot your Windows OS in Safe Mode or Safe Mode with Networking for troubleshooting purposes; however, both modes are limited in terms of performing some actions such as Installation or removal of software.…

In every latest version of vSphere ESXi, VMware is trying to tighten the security of ESXi. Recently, I faced an issue that I was unable to log in on ESXi using SSH after multiple wrong password attempts to root account from my colleague.…

Throttling policy is a feature in Microsoft Exchange 2013 which provides flexibility to restrict messages and device connections to Exchange Server. In this article, we will explain gradually that how we can allow or restrict a mailbox to…

Active Directory is a vital and most important part of Windows infrastructure. Active Directory infrastructure’s health depends on its replication. In an AD environment, all Domain Controllers should be synced and aware of any changes made…

Today, I faced an issue that despite SSH service was running properly and Lockdown mode was not enabled but I was not able to connect ESXi host using ssh to perform some tasks. I restarted the SSH service again but issue didn't  fixed. I…

Once you delete an object from Active Directory, It does not delete permanently instead object turns into a tombstone. Active Directory sets the isDeleted attribute to True for the Object. However, AD does not keep this object forever and…

Lenovo x240 is a high-performance Intel Xeon processor-based node which is mostly used for high-end application for blazing performance or virtualization. In this article, we will cover step by step installation process from RAID…