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Fix: Migration options for a virtual machine are greyed out
Fix: Migration options for a virtual machine are greyed out

There are times where a virtual machine migration option might be greyed out due to several reasons, including vMotion License or backup tasks that have just recently completed but the relatives entries have not yet been removed from vCenter’s database tables. Fortunately, VMWARE has provided administrators a manual way to remove such entries in order... » read more

Join a RHEL system to Active Directory
Join a RHEL system to Active Directory

It was recently requested by a customer, that all of his (mostly) RHEL servers to be integrated with their AD Forest, in order to be able to control all users accessing these systems, as a security enhancement. So, in order to be able to join a Red Hat System to Active Directory, we’ll start assuming... » read more

How I go prepared for the MS DP-300 exam
How I go prepared for the MS DP-300 exam

First of all, congratulations for deciding to get prepared for this exam. You apparently have lots of guts and determination! To my honest belief, this was a demanding exam that required focus and discipline in order to pass it. I was not confident that I would be able to get a Pass on the first... » read more

How to fix endless VMware Tools installation
How to fix endless VMware Tools installation

There is no objection that VMware tools are an essential module -a suite of utilities that enhances the performance of the virtual machines guest operating system and improves management of the virtual machine. The frustration comes when the deployment or update of the tools goes bad and you end up with the following condition (fits... » read more

Fix: Remove Inaccessible datastores from vCenter inventory
Fix: Remove Inaccessible datastores from vCenter inventory

During a DR Scenario executed for a client, we encountered a rather classical error, several dismounted datastores that couldn’t be removed from vCenter, because the Storage team was eager to un-present them, without the Systems team to properly dismount them first. Being unable to remove or dismount the datastores, or them, not able to be... » read more

Fix error code 0x8009030c: Login Failed. The login is from an untrusted domain and cannot be used with Windows authentication.
Fix error code 0x8009030c: Login Failed. The login is from an untrusted domain and cannot be used with Windows authentication.

We were recently facing an issue where several SSIS packages failed to execute against a newly created SQL FCI Cluster with DAG and several listeners created, with the following error being received as an output. Login failed. The login is from an untrusted domain and cannot be used with Windows authentication. [CLIENT: xxx.xxx.x.xxx] SSPI handshake... » read more

Debate: Multiple Instances vs Single Instances on SQL Servers
Debate: Multiple Instances vs Single Instances on SQL Servers

A debate that is common among DBAs and possibly Architects, is whether should an organization use the what-so-called “SQL Instance Stacking” in order to deploy more than one SQL instances under the same OS, usually a Windows Server system. Let’s just see the advantages and disadvantages listed below: Pros Benefits Consolidation as several systems can... » read more

SQL Data Classification using SSMS
SQL Data Classification using SSMS

Lately, we’ve had an interesting conversation on how could developers begin to sort of categorize various data stored within SQL databases. As our customer is located in a EU country, they are deeply concerned and have to strictly comply with GDPR, along with a custom security pattern that combines ISO27001 and PCI DSS. Understanding your... » read more

Get all connections to SQL Server by using netstat
Get all connections to SQL Server by using netstat

Recently, we got into a debate on how could we get all possible connections from various (unidentified) standalone applications, to several SQL Servers. Although a solution would be to constantly look the SSMS Activity monitor and collect all relevant information, the time a connection was occurring, it appeared less appealing, time passing, as there would... » read more