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This error falls into the “both nebulous and specific at the same time” category. Here is a list of a few things you can do to troubleshoot it.
The full text of the message looks something like this:
There are a handful of things to check.… [ Continue reading ]
A few weeks ago, while helping a customer configure Exchange Hybrid for Teams, we ran into this interesting error:
As I’ve stated previously, interesting in the context of both technology troubleshooting and doctor’s visits is rarely something you want to hear.… [ Continue reading ]
This week, while helping a customer onboard to Azure AD Connect, we ran into an interesting error:
Azure Service Connectivity Failed, Unable to proceed
The on-premises synchronization service is not able to connect to Azure Active Directory.… [ Continue reading ]
This morning, while attempting to set up a virtual machine in my lab environment, I encountered an error while attempting to install the MSOnline module–the NuGet and PowerShellGet components were not already installed. Easy enough–the installation procedure prompts to install them anyway, so just hit yes, right?… [ Continue reading ]
Today, I found myself working with a customer that was experiencing delivery failures to some Office 365 recipients from all external senders.
As problems go, this one definitely finds itself in the “interesting” category. … [ Continue reading ]
Last week, I began working with a customer that was experiencing what appeared to be a significant amount of updates to a certain group of objects in the local Active Directory. These objects were being imported from another forest as contacts, yet found themselves being updated very frequently by the local AAD Connect instance.… [ Continue reading ]
A new year, a new test!
While troubleshooting a few installation and update issues, I noticed that the endpoints list was a smidgen out of date, so I’ve updated that. For this update, I attached Fiddler (http://www.telerik.com/Fiddler… [ Continue reading ]
An issue came up today for one of my customers–how to remove orphaned mailbox searches in Exchange Online. Apparently, they have about 300 mailboxes in this state. Oops.
So, in order to do this, you need to go through a handful of steps:
A few weeks ago, I ran into an issue with a customer. Scenario:
As expected, without a matching verified domain in the tenant, UPN suffixes in the tenant were actually set as @tenant.onmicrosoft.com. … [ Continue reading ]
One of my peers this week was looking for a script to help check global DNS resolution for particular records for both replication and geo-loadbalancing testing.
The record types and data he was looking for:
This is what I came up with, so maybe it can help someone else.… [ Continue reading ]
As you may have figured out from the title, I’ve got a guest post today. Jorge Lopez is a Premier Field Engineer, and has spent a lot of time in the trenches with Windows, AD, and Azure AD, and currently works helping customers resolve hybrid identity issues. … [ Continue reading ]
If you’ve ever asked anyone how to do virtually anything, the answer is usually “It depends.” Just as there is no wrong way to eat a Reese’s Peanut Butter Cup and more than one way to skin a cat, so it frequently is with technological tasks. … [ Continue reading ]
I trotted out the trusty WireShark and Fiddler tools today and ran through the latest iteration of AAD Connect setup. In so doing, I’ve added a few endpoints to the test:
$CRL
http://ocsp.msocsp.com
$RequiredResources
adminwebservice-s1-co2.microsoftonline.com… [ Continue reading ]
This week, while troubleshooting a networking problem for a customer, I wanted to limit or block network connectivity to some remote endpoints from a test workstation. To accomplish this, I created a quick PowerShell function to null route the traffic (send it to an invalid/null next hop).… [ Continue reading ]
Update: This tool has a new shortlink: http://aka.ms/aadnetwork
Since the tool passed the 500 download mark a few weeks ago, I’ve started getting more questions (internal and external) about a few of the tests and checks. … [ Continue reading ]
Yesterday, I was asked if I had developed any testing tools for the Dynamics CRM suite availability—but, never having had to do much with them, I didn’t have anything available. I just built a quick tool today, and it covers all of the endpoints listed at https://support.microsoft.com/en-us/help/2655102/internet-accessible-urls-required-for-connectivity-to-microsoft-dynami… [ Continue reading ]
Over the last couple of days, I’ve updated a few tools that I have published on the gallery. Here’s the run-down:
I’ve been busy with this tool a lot lately, both adding tests and tweaking the way things are done. … [ Continue reading ]
A few months ago, I debuted a new tool for AAD Connect deployment (read about it here: AAD Connect Network and Name Resolution Test or download it here: https://gallery.technet.microsoft.com/Azure-AD-Connect-Network-150c20a3) which allows you to test a number of conditions to make sure your server and environment are suitable for deploying AAD Connect.… [ Continue reading ]
Last year, I had a project that involved migrating a large customer from Office 365 Dedicated to Office 365 GCC (multi-tenant). While Exchange hybrid moves were possible for the mailboxes, we were unable to perform the necessary hybrid migration configuration for Lync to migrate users. … [ Continue reading ]
Update: I’ve added several additional parts to this tool since it was originally released, including some debug logging, an Azure credential check to ensure that your identity is part of Global Admins, additional cloud endpoint checks, and a more thorough system inventory.… [ Continue reading ]