Network Monitor Filter Examples

The below is an assortment of Network Monitor (NetMon) filters that I used on a frequent basis.  With each of the filters, there is a quick explanation of why they are used. The filters can be used as regular display filters, or as a colour filter.  The retransmission one is especially useful to have set…

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Exchange Self Signed SHA2 Certificates

In recent builds, Exchange has been updated to support the newer SHA2 certificates.  Exchange 2010 SP3 RU13 and Exchange 2013 CU 12 updated the SMIME control’s certificate to SHA2. Additionally, Exchange 2013 CU13 and Exchange 2016 CU2 added support for generating the self signed certificates as SHA2 certs. The below is for reference to save…

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Office 365 Exchange Hybrid Deployments Busting The Autodiscover Myth

When configuring an Exchange Online hybrid deployment, there are many things to consider.  Asides from the various networking, certificate and client discussions there is also a requirement to ensure that Autodiscover is functioning correctly.  In addition to having Autodiscover correctly published to the Internet an additional wrinkle commonly pops up, which takes people down the…

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Slow Exchange Server Boot In Azure VM

One of the great uses of Azure is to host VMs which can address a number of business requirements.  While we can install Exchange 2013 on an Azure VM, this is generally not the most cost effect way to have mailboxes running in a cloud.  Office 365 is the recommended option to leverage cloud mailboxes…

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Script To Start Exchange Services

Running scripts to start and stop services has been a task long associated with Exchange.  For those who pre-date Exchange 2000, do you remember the fun issues with the increased WaitToKillServiceTimeout value?  By default in ye olde days HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\WaitToKillServiceTimeout was 20,000 ms (20 secs).   Installing Exchange increased that to 600,000 ms (10 minutes).  To quickly…

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Busting The Exchange InternalNLBBypassURL Myth

In several recent engagements, there has been some interesting discussions about how to configure the CAS namespaces for the Exchange Web Services virtual directory.  Specifically this was around the configuration of the InternalNLBBypassUrl in Exchange 2013 and 2016.  Since this was set on Exchange 2007/2010 servers, there seems to be a desire to change it…

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Exchange 2016 CU2 Released

Exchange 2016 CU2 has been released to the Microsoft download centre!  Exchange 2016 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 2016 and can be used to install a fresh server or to…

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Exchange 2013 CU13 Released

Exchange 2013 CU13 has been released to the Microsoft download centre!  Exchange 2013 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 2013 and can be used to install a fresh server or to…

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Exchange 2010 SP3 RU14 Released

Patch Tuesday this week heralded the arrival of Rollup Update Rollup 14 (RU14) for Exchange Server 2010 Service Pack 3.  RU14 is the latest rollup of customer fixes available for Exchange Server 2010. The release contains a security fix to address the issue in Microsoft Security Bulletin MS16-079, in addition to the previous fixes in…

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Script To Automate Exchange Health Manager Service For Monitoring Mailbox Reset

This is a quick tactical script to help Exchange administrators when resetting Exchange Monitoring mailboxes.  Exchange 2013 introduced managed availability which is responsible for evaluating the health of Exchange 2013 and 2016 Exchange servers.  Yes it does also probe downlevel servers, but let’s not get bogged down in that in this post.  In order to…

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