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Stale DNS Server Blocking Captive Portal Or Simply Inaccessible

Posted on by Rhoderick Milne [MSFT]
Stale DNS Server Entries Causing Issues On Windows 10 and 11

It’s always DNS.  That’s the typical mantra when troubleshooting AD issues.

But what about a fully updated Windows 10/11 machine totally ignoring the DNS server it was told to use via DHCP?  Yes, that unfortunately was a recent problem.  On the machine it appeared to have the public Google DNS server (8.8.8.8) stuck.  Regardless of what network the machine connected to, it ignored the DNS server as… Read the rest “Stale DNS Server Blocking Captive Portal Or Simply Inaccessible”

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Exchange Unexpected InternalNLBBypass URL – RecoverServer

Posted on by Rhoderick Milne [MSFT]
Exchange Server Unexpected URL RecoverServer

Reviewing the output of an environement's CAS Namespaces showed that there was an unexpecte URL present for the version of Exchagne that was installed.  With Exchange 2013 onwards InternalNLBBypassURL is not something that we need to set.  That was an Exchange 2007 and 2010 thing.

In the environment below note that there are couple of things that pique my interest.

Any thoughts?

Exchange WebServices Showing InternalNLBBypassURL

What is interesting i… Read the rest “Exchange Unexpected InternalNLBBypass URL – RecoverServer”

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Exchange Healthcheck Script – EWS Internal Bypass URL Set

Posted on by Rhoderick Milne [MSFT]
Exchange Healthcheck InternalNLBBypassURL

The amazing Exchange Healthcheck script really has gotten to the point where Exchange Best Practices Analyser (ExBPA) used to be. Exchange admins should heavily use the Healthcheck script.  This should be done before and after maintenance tasks such as installing CUs and security updates.

There is a handy dandy shortcut URL to download the script:  https://aka.ms/ExchangeHealthChecker

Note that this… Read the rest “Exchange Healthcheck Script – EWS Internal Bypass URL Set”

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Quick Tip – Easily Allow JIT to Azure VMs In A Resource Group

Posted on by Rhoderick Milne [MSFT]
Azure Portal Connect to VM

Controlling connections to Azure VMs using the just in time (JIT) policy of Microsoft Defender for Cloud (MDC) certainly improves the overall security of the Azure resource.  However, then having to enable JIT on a given VM runs into issues pretty quickly.

Azure Portal Too Permissive

Who thought it was a great idea to have “All configured IPs” as the default option? No thanks – I do not want to enab… Read the rest “Quick Tip – Easily Allow JIT to Azure VMs In A Resource Group”

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How to Get Newer Version of PowerShellGet – Install, Don’t Upgrade

Posted on by Rhoderick Milne [MSFT]
Update PowerShellGet

Current versions of Windows come with a version of PowerShellGet pre-installed.  The PowerShellGet and PackageManagement modules originally were released in Windows PowerShell 5.0 which itself was part of the Windows Management Framework (WMF) 5.0 RTM.  This was back in early 2016. The PowerShellGet module is also integrated with the PackageManagement module as a provider.

The 1.0.0.1 version of Powe… Read the rest “How to Get Newer Version of PowerShellGet – Install, Don’t Upgrade”

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Exchange 2019 CU13 Released (2023 H1)

Posted on by Rhoderick Milne [MSFT]
Exchange 2019 CU13 Download

Exchange 2019 CU13 has been released to the Microsoft Volume Licensing Center and the public Microsoft Download site!  Exchange 2019 has a different servicing strategy than Exchange 2007/2010 and utilises Cumulative Updates (CUs) rather than the Rollup Updates (RU/UR) which were used previously.    CUs are a complete installation of Exchange 2019 and can be used to install a fresh server or to upd… Read the rest “Exchange 2019 CU13 Released (2023 H1)”

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End of Exchange 2013 Support

Posted on by Rhoderick Milne [MSFT]
Exchange 2013 Support Lifecycle

Today Exchange 2013 reaches the end of the road and it will transition out of extended support.  Hopefully everyone has migrated to a newer version and/or Office 365.  But experience tells me that will not be the case.

Hopefully no one will have Exchange 2013 published to the Internet either, but again experience says otherwise…

Please note that Microsoft will not provide technical support, time zon… Read the rest “End of Exchange 2013 Support”

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Quick Tip – Easily Start All Azure VMs In A Particular Resource Group

Posted on by Rhoderick Milne [MSFT]
Quick Tip Easily Start Azure VMs Using Azure Cloud Shell

Manually starting up lab VMs is painfully slow, and since many organisations will implement management policy to auutomatically shut them down to save costs you may find yourself powering them on a lot...

While you can set up automated tasks to power them on, not all really need to be running every day.  For example, I always want the DC's running so they are able to maintain replication and there … Read the rest “Quick Tip – Easily Start All Azure VMs In A Particular Resource Group”

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Out of SSPR Scope User Experience

Posted on by Rhoderick Milne [MSFT]

Azure AD Self Service Password Reset (SSPR) has the ability to restrict which group of users are able to perform SSPR tasks.  It is a slightly limited administrator control as only a single group can be selected.  Azure AD administrator roles are able to perform SSPR even if they are not in scope of the selected group.

They typical user experience is that the person goes to https://aka.ms/SSPR and … Read the rest “Out of SSPR Scope User Experience”

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Configure On-Premises Exchange For EOP Spam Thresholds

Posted on by Rhoderick Milne [MSFT]
Exchange Online Anti Spam Threshold

A common issue when deploying Exchange Online Protection (EOP) and Microsoft Defender for Office 365 (MDO) with on-premises Exchange is making Exchange aware of the EOP spam filtering.  This is because EOP uses slightly different logic to stamp the spam results etc. into the message.  Exchange Server needs to be aware of this so that it can take action upon those settings.

On-Premises Spam Confiden

… Read the rest “Configure On-Premises Exchange For EOP Spam Thresholds”