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Archive for the ‘Windows Upgrade’ Category

When moving mailboxes to Exchange Online. The remote server returned an error: (503) Server Unavailable… mrsproxy.svc is unavailable, service is too busy or no endpoint.

I spent many hours troubleshooting and opening several support tickets with Microsoft, but in the end, I was able to fix the problem on my own. I believe it would be helpful for others to share my documentation of these procedures. The help from Microsoft O365 support was quite disappointing. They seemed to repeatedly ask the […]

Upgrading Windows Hyper-V Cluster from Server_2012r2 to 2022.

Cluster transition states during Cluster OS Rolling Upgrade To ensure uninterrupted operation of cluster workloads during the Cluster OS Rolling Upgrade process, a technique is employed whereby a cluster workload is moved from a node running an older version of Windows Server to a node running a newer version. This is achieved through the utilization […]

Microsoft Product Name Changes

Occasionally, Microsoft renames products and services to clarify their purpose, apply a consistent brand, or combine them into a single offering. Below is a list of recent product name changes that are part of (or are related to) Microsoft 365. Each entry has a link to the announcement, a link to the official product page, […]

Running Microsoft Security Essentials on Server 2012

What to do Here’s what needs to be done to get things up and running on Server 2012. First go here and download Security Essentials. Once downloaded right click on the (mseinstall.exe) executable en choose properties. Locate the ‘Compatibility’ tab and go to the ‘Compatibility mode’ section (see first screenshot below). Check “Run this program […]

Uninstalling and manually installing VMware Tools

To uninstall VMware Tools in Windows XP: Click Start > Control Panel. Open Add/Remove Programs. From the list of installed software, select VMware Tools. Click Remove. When prompted, click Yes to restart Windows. Once restarted, open My Computer and navigate to C:\Program Files and remove the VMware folder if it exists. To uninstall VMware Tools […]