Improving Password Security In the Cloud and On-Premises
Passwords are well known to be generally insecure the way users create them. They don’t like “complex” passwords such as p9Y8Li!uk%al and so if they are forced to create a “complex” password due to a...
View ArticleSSL Inspection and Office 365
Lots of cloud endpoint URL’s break service flow if you enable SSL Inspection on the network devices between your client and the service. My most recent example of this Enterprise State Routing in...
View ArticleConfiguring Multi Factor Authentication For Office 365
Given that Office 365 is a user service, the enabling of multi-factor authentication is very much as admin driven action – that is the administrators decide that the users should have it, or that it is...
View ArticlePublic Folder Sync–Duplicate Name Error
I came across this error with a client today and did not find it documented anywhere – so here it is! When running the Public Folder sync script Sync-ModernMailPublicFolders.ps1 which is part of the...
View ArticleTest Connectivity Website and TLS 1.2
An excellent resource for Microsoft Exchange Server and Exchange Online administrators and consultants is the Remote Test Connectivity website at http://exrca.com or...
View ArticlePublic Folder Migrations and the Changing Cmdlets
To complete a public folder migration from Exchange 2013/2016 to Exchange Online you need to run Set-OrganizationConfig -PublicFolderMailboxesLockedForNewConnections $true But if you look at lots of...
View ArticleRead Only And Attachment Download Restrictions in Exchange Online
Microsoft have release a tiny update to Exchange Online that has massive implications. I say tiny in that it take like 30 seconds to implement this (ok, may 60 seconds then). When this is enabled, and...
View ArticleToken2 Hardware OAuth Tokens and Azure AD Access
This blog post walks through the process of logging into Azure AD resources (Office 365, other SaaS applications registered in Azure AD and on-premises applications that utilise Azure AD App Proxy)....
View Article451 4.7.0 Temporary server error. Please try again later. PRX2
There are a few articles online about this error, but none were correct for the scenario i found a clients network in. Not that I think the specifics matter, but this was Exchange Server 2016, Windows...
View ArticleExchange Server Dependency on Visual C++ Failing Detection
Exchange Server for rollup updates and cumulative updates at the time of writing (Feb 2019) has a dependency on Visual C++ 2012. The link in the error message you get points you to the VC++ 2013...
View ArticleCRM Router and Dynamics CRM V9 Online–No Emails Being Processed
This one is an interesting one – and it was only resolved by a call to Microsoft Support, who do not document that this setting is required. The scenario is that you upgrade your CRM Router to v9 (as...
View ArticleConvert Office 365 Group to Microsoft Team Totally Failing
This one has been annoying me for a while – I had an Office 365 Group that I created many years ago in Office 365 that I cannot convert to a Microsoft Team. This is what I see in Teams to do this...
View ArticleHardware Tokens for Office 365 and Azure AD Services Without Azure AD P1...
A recent update to Azure AD Premium 1 (P1) licence has been the use of hardware tokens for multi-factor authentication (MFA). This is excellent news if your MFA deployment is stuck because users cannot...
View ArticleDecommission ADFS When Moving To Azure AD Based Authentication
I am doing a number of ADFS to Azure AD based authentication projects, where authentication is moved to Password Hash Sync + SSO or Pass Through Auth + SSO. Once that part of the project is complete it...
View Articlebin/ExSMIME.dll Copy Error During Exchange Patching
I have seen a lot of this, and there are some documents online but none that described what I was seeing. I was getting the following on an upgrade of Exchange 2013 CU10 to CU22 (yes, a big difference...
View ArticleExchange Move Requests | Large Items | And Setting TCP KeepAliveTime To A...
I have seen this situation a number of times. A large mailbox (or mailbox and archive) wont move to the target because the process of checking what the changes are in the mailbox take too long, the...
View ArticleToo Many Folders To Successfully Migrate To Exchange Online
Exchange Online has a limit of 10,000 folders within a mailbox. If you try and migrate a mailbox with more than this number of folders then it will fail – and that would be expected. But what happens...
View ArticleSave Time! Have All Your Meetings End Early
I am sure you have been in a meeting, where the meeting end time rolls around and there is a knock at the door from the people who want the meeting room now, as their meeting time has started and yours...
View ArticleTeams Calendar Fails To On-Premises Mailbox
In Microsoft Teams, you have a calendar icon in the main display that shows your diary and meetings etc. – except it does not work if your mailbox is not either in Exchange Online or, if if your...
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