EXCHANGE   Exchange – A reboot from a previous installation is pending



When updating Exchange you probably con come across the following error in the prerequisite analysis:

A reboot from a previous installation is pending

The way to solve it is supposed to be by rebooting the server in order to apply any previously pending installed windows updates or whatever… but it never works, at least for me.

If it is also … Read more

F5 BIG-IP icon   F5 BIG-IP – Vulnerability!! CVE-2020-5902 – Remote Code Execution (RCE)



Security Advisory Description

The Traffic Management User Interface (TMUI), also referred to as the Configuration utility, has a Remote Code Execution (RCE) vulnerability in undisclosed pages. (CVE-2020-5902)

Description

This vulnerability allows for unauthenticated attackers, or authenticated users, with network access to the Configuration utility, through the BIG-IP management port and/or self IPs, to execute arbitrary system commandsRead more

   Exchange – Update to fix escalation privilege vulnerability



Due to the vulnerability that allows privilege escalation I wrote about in this post, Microsoft has released a cumulative update for all supported versions of Exchange Server (Exchange 2010, 2013, 2016 and 2019).

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Windows   Windows – .NET Framework 4.7.1 install stuck / hangs



I needed to install .NET 4.7.1 to allow updating Exchange 2013 to CU 21.
This is the installer I downloaded and tried to install: https://www.microsoft.com/en-us/download/details.aspx?id=56116

But the installation never ends. It remains stuck without progressing in the “Installation progress” bar. Tested both with offline and online installation:
Windows - .NET Framework 4.7.1 install stuck hangs

To install .NET Framework 4.7.1 download the msu package from the following link:… Read more

Lync   Lync – Update Lync Phone Edition devices



This post explains the steps to perform an update of the Lync Phone Edition device.
In this scenario the phone is a HP4120 connected to Lync Server 2010.

Download and extract the last update

My Lync phone devices actual version is 4.0.7577.4451
Lync Phone Edition HP4120 4.0.7577.4451

There is version I can update to so I have downloaded the 4.0.7577.4487 Lync Phone Edition version for … Read more