Category Archives: MAC

Fix: Mac RDP, You were disconnected from the Windows-based computer because of problems during the licensing protocol

When connecting with a Mac using RDP (Remote Desktop Protocol) on a Windows server, you might encounter a message saying “You were disconnected from the Windows-based computer because of problems during the licensing protocol”. This has to do with permissions, thou it’s not a problem with your configuration. This is a bug with RDC for MAC Version 2.1.1

Thou there is no solution until now, it is suggested to install the hot-fix below

RDC for MAC v2.1.2 (Early Build Hotfix)

After installing the hot-fix, you will be able to connect to your Terminal Server.

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How to: Open ports for Apple TV to work

Apple TV requires some ports to be open to be able to sync and activate with the Apple Servers. If the ports are not configured properly, you might have the following errors:

Activation: Failed
Date/Time: Skipped (Reachable)

The ports needed for an Apple TV to work are:

– TCP Port 123 (Time server)
– TCP Port 3689 (iTunes)
– UDP Port 5353 (Bonjour Service)
– TCP Port 80 (Web)
– TCP Port 443 (SSL)
– TCP Port 53 (DNS)

If the problem still persists, one can also setup the DNS specific to the Apple service which are:

Preferred – 208.122.23.22
Alternate – 208.122.23.23

This can be done by switching the DNS to manual and typing in the DNS addresses.

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How To: Flush DNS on Mac OS

To flush the DNS on a Mac Device, you have to go through the following steps:

Open Finder
Open Applications under Favorites
Open Utilities
Open Terminal

Enter the following commands:

sudo dscacheutil -flushcache
sudo killall -HUP -mDNSResponder

This should clear the DNS cache.

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