Capax Zantas EAS EWS 501 Errors

Posted on Leave a commentPosted in EAS, Exchange Server, Kemp, Load Master, Zantas

Whilst load balancing Exchange 2013 with a Capax Zantas EAS deployment in place I was reminded of an issue I experienced a few years ago with a Kemp load balancer. The EAS app for OWA was failing with various errors such as: Communication with service failed. The service might be down or misconfigured. Error code: 500 As well as the search functionality never returning results. And in the EASOWABackend log file we were seeing the […]

Photos, Exchange, And The File System

Posted on 1 CommentPosted in 2013, 2016, Exchange Server, Office 365, owa

On an Exchange 2013 and later server this is a folder called photos that gets created after installation and can contain a couple of user photos for some of your users. How does it get there and what does it contain? The photos folder appears (on 2016 anyway) when the user uploads a photo (via OWA). Two images are created one 96square and the other 648square. They are made in a folder unique to the […]

Azure MFA 503 Error When Authenticating

Posted on Leave a commentPosted in Azure, Azure Active Directory, MFA, Multi-Factor Authentication, Office 365

If you have installed version 7 of Azure MFA Server on-premises (7.0.0.9 or 7.0.2.1 at the time of writing) and have enabled IIS authentication with Forms Based authentication and the Native App, but when you need to authenticate you are presented with a 503 DLL error. The reason for this is that version 7 removed support for 32 bit Windows, but if the application pool in IIS for the website you are running is a […]

OU Filtering in AADConnect–What They Grey Boxes Mean

Posted on Leave a commentPosted in AADConnect, az, Azure Active Directory, Azure AD, dirsync, Office 365

So I had the chance to check this today. If you do OU filtering in the DirSync tools you will get an OU structure with various grey boxes in it. Here is an example: It appears that both and are options in the sync tool. You get the first (grey with a tick ) if you select that box and untick some child objects. You get the second (grey box, no tick) if you unselect […]

Skype for Business Meetings Don’t Come With a Telephone Number

Posted on Leave a commentPosted in Office 365, Skype For Business Online

Yes, that is correct if you are using Skype for Business Online. When you create a meeting request in Outlook you just get the “Join Skype Meeting” message. This is because dial-in meetings are an add on to Skype for Business Online and the PSTN Conferencing feature is needed. As long as you are an Office 365 global admin (or billing admin) and have users with the Skype for Business Plan 2 licence you can […]

Creating a Phone System In Office 365 in Ten Minutes

Posted on 3 CommentsPosted in Cloud PBX, off, Office 365, PSTN, Skype For Business Online, unif, unified messaging, Voicemai, voicemail

I have been invited into the Skype for Business Cloud PSTN preview in the UK and so I though I would jot down a few comments on how easy it was to configure and get a working telephone line and full PBX without doing more than a few clicks of the mouse in Office 365 Admin Center! Step 1: Purchase Licences To have a telephone number in Office 365 you need to purchase at either […]

Remote Desktop And Login With AzureAD Account

Posted on Leave a commentPosted in Azure Active Directory, remote desktop

If you join a Windows 10 PC to Azure AD and then try and login to that PC over remote desktop you are in for a barrel of laughs! Or not! The way to get it to work is as follows: Ensure that Windows 10 PC is running Version 1511 or later (type WinVer from the Run dialog) Ensure the target PC is enabled for Remote Desktop Ensure the Network Level Authentication is disabled Run […]

Get-SpoofMailReport in EOP

Posted on Leave a commentPosted in EOP, exchange online, Exchange Online Protection, Office 365, spam, spoof

Using Office 365 or EOP to protect your email and worried about spoofed emails? Then try this cmdlet in Remote PowerShell for EOP: PS C:\Users\brian.reid> Get-SpoofMailReport Date                Event Type Direction Domain Action       Spoofed Sender              True Sender     Sender IP—-                ———- ——— —— ——       ————–              ———–     ———14/04/2016 00:00:00 SpoofMail  Inbound          GoodMail     no-reply@domain.com         mandrillapp.com 198.2.186.0/2418/04/2016 00:00:00 SpoofMail  Inbound          GoodMail     support@domain.com          mimecast.com    1.130.217…07/04/2016 00:00:00 SpoofMail  Inbound          GoodMail     support@domain.com                          1.130.217…14/04/2016 00:00:00 SpoofMail  Inbound          GoodMail     no-reply@domain.com         someapp.com     198.2.179.0/2408/04/2016 00:00:00 SpoofMail  Inbound          […]

Renewing Apple APN for Office 365 Mobile Device Management

Posted on 3 CommentsPosted in exchange online, iOS, iPad, iPhone, MDM, Mobile Device Management, mobile phones, Office 365

Office 365 MDM (Mobile Device Management) allows you to manage iOS based Apple devices. Once you have had Office 365 Mobile Device Management is use for a year, the Apple APN certificate that you would have created a year ago for this purpose will expire. If you did not add this renewal date to your calendar when you set up Office 365 MDM, or if you have taken over as administrator from someone else since […]

Upgrading Azure Multi-Factor Authentication Server

Posted on Leave a commentPosted in Azure, Azure Active Directory, MFA, Multi-Factor Authentication, Office 365

A new version of Azure MFA Server was released at the end of March 2016, version 7.0.0.9. This provides an in place upgrade to the previous version 6.3.1.1. This version is based on .NET 4.5 and not .NET 2.0, which is the big change in the product, along with new end user functionality in the ADFS Adapter. Note the upgrading the ADFS Adapter piece is prone to issues, which I have documented here. This blog […]