"Add Calendar" greyed out in OWA 2010

By YellowOnline on Thursday 22 November 2018 16:25 - Comments (3)
Category: Exchange, Views: 769

This one took me a long time. Users were complaining they could not add calendars to their OWA because the option Add Calendar is greyed out. I did a lot of research on this and could not find out why this happened. I found a handful of people with a similar issue online but alas without a solution. The best info I got was someone from Microsoft stating that there is no option in Exchange to disable this. Through trial and error I found the pattern: it doesn't work for people who logon to their mailbox directly.

Usually you log on to OWA simply by surfing to https://$mailserver/owa . This is an indirect link: it opens the mailbox based on your credentials. The other method, often used by mailadmins who need to log into a mailbox but also by some users, is a direct link https://$mailserver/owa/$emailaddress.

In the latter case, you cannot add calendars. There is some kind of logic behind this, but god this was annoying.

Indirect:
https://tweakers.net/ext/f/1MFxWE1ppZodgpsuwIgu9Ur3/full.png

Direct:
https://tweakers.net/ext/f/a2KyR9gu7GANGtU7IsZJdDld/full.png

Microsoft OneDrive does not run

By YellowOnline on Sunday 29 July 2018 21:26 - Comments (5)
Category: Windows, Views: 2.593

Onedrive does not run. It does not show up in the system tray nor in task manager. Reinstalling does not help and neither does deleting every single related file.

Check if the following registry key is present and set to 0. If set to 1: there's your problem. Just change the value and it should work right away, without reboot.

https://i.imgur.com/GgksM3a.png

Or run the following Powershell command in an elevated shell:

PowerShell:
1
Set-ItemProperty -Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\OneDrive' -Name DisableFileSyncNGSC -Value 0



If the key doesn't exist it is equal to 0 in practice.

Installing the VMware vSphere Client 4.1 on Windows 10

By YellowOnline on Thursday 5 April 2018 11:43 - Comments (11)
Category: Other, Views: 6.225

Yes, some people still need to support customers with older ESX server.

Unfortunately, the VMware vSphere Client 4.1 does a check to see if the computer is at least Windows XP SP2 but does not recognise more recent Windows versions.


https://tweakers.net/ext/f/xNGrJMfRZaobG4AMky9k1S0P/full.png

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So how does my own network look?

By YellowOnline on Saturday 17 March 2018 12:17 - Comments (7)
Category: Other, Views: 4.890

Often people ask me how my infrastructure at home looks. From now on, I'll be able to point everyone to this blogpost.

https://tweakers.net/ext/f/XyTqeHyp7PXEnqqlaXSVO1n1/full.png

Not included is the wireless: 2 Sophos AP15 Access Points, 7 phones, 1 tablet, 5 laptops. Additionally there's 9 Philips Hue lamps, 2 switches and 3 movement detectors.

Cleaning up Windows Explorer

By YellowOnline on Monday 26 February 2018 18:50 - Comments (9)
Category: Powershell, Views: 5.164

Do you hate the default Windows shortcuts in Windows Explorer as much as I do, yet you don't want to switch to Total Commander for some reason? Here's a little script I wrote in Powershell to get a clean layout like this:


https://tweakers.net/ext/f/7v6Zll7DEL2UcLYAEoaWc3dl/full.png

There are several how-to's on the net to remove single objects, whether through executing a registry file or by accessing the registry directly. Often the latter, as some settings can only be changed by TrustedInstaller. This script uses a real hack that I probably shouldn't share in the first place, courtesy of tirannido, to impersonate TrustedInstaller and subsequently edit the registry - which is not only more practical than manually taking ownership but also cleaner and therefore safer in the long run.


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