On Archiving vs. Compliance

By |April 25th, 2017|

Here at risual, my colleagues and I speak to many different customers. In Exchange Workshops, I often ask about a customer’s Archiving and Compliance policies.

The following definitions are the rules of thumb I use when explaining the difference between the two:

Archiving is the storage of emails that have been chosen for retention.
Compliance is the mandatory […]

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Skype Online user unable to sign in following hard cutover and SIP address change

By |April 24th, 2017|

I recently encountered an issue with a customer who was moving from an on-premise Lync deployment to Skype for Business Online, now usually I would use hybrid and move users over in batches but as they’d hadn’t moved past the pilot stage they had decided to go with a cutover approach and skip deploying Edge […]

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CROSS APPLY… EXPLODE! The Hadoop MapReduce “Hello World!” in Azure Data Lake Analytics

By |March 31st, 2017|

If you’ve ever looked at Hadoop MapReduce you’ll have come across the tutorial to count words in a document or series of documents (see https://wiki.apache.org/hadoop/WordCount). It’s a nice way to learn Hadoop because it’s easy to picture multiple mappers breaking up files into individual words and reducers performing the aggregation. MapReduce will output a […]

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Exchange 2013 CU16/Exchange 2016 CU5 .NET requirements

By |March 30th, 2017|

Exchange 2013 CU16 and Exchange 2016 CU5 dropped little over a week ago with one big difference as .NET Framework 4.6.2 is now a requirement. Whereas Exchange 2013 CU15 and Exchange 2016 CU4 would support .NET 4.6.2, newer version of Exchange will require it.

If setup is run without .NET 4.6.2 then it will fail. This […]

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Farewell Site Mailboxes, we barely used you

By |March 24th, 2017|

Around the beginning of February, Microsoft announced that they were retiring the Site Mailbox functionality in Exchange Online.

Back when Exchange 2013 was released, there was a lot of publicity about the Site Mailbox capability and how it would make it easier to collaborate between team members. In a nutshell, a Site Mailbox was a repository […]

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Skype for Business error SIP/2.0 503 Service Unavailable

By |March 22nd, 2017|

I recently worked on a project where the client was attempting to configure a SIP trunk between an Avaya IP-PBX and Skype for Business Server to enable Dial-in Conferencing. All inbound calls were being rejected with a SIP/2.0 503 Service Unavailable error message.
The Windows Event Log showed the calls were being dropped due to an […]

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SQL Server 2012 Cluster using Azure IaaS

By |March 17th, 2017|

What methods are there for provisioning shared storage for a SQL Server 2012 Cluster in Azure?
As a Data Platform consultant, I can think of many ways that this could be achieved, these could include

Using an Iscsi target from some provisioned storage e.g. a scale out file server or virtual SAN
Using Windows Server 2016 Storage Spaces […]

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SCOM 2016 Agent (MMA) crashing legacy IIS Applications

By |March 15th, 2017|

I have recently deployed a SCOM 2016 solution for a customer.  Yesterday, we were informed of an issue where the agent would ‘break’ the IIS Application Pool and this typically presents itself when IIS is restarted.

The issue is linked to APM (Application Performance Monitoring) and this issue occurs even if APM is not enabled in SCOM.

The […]

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Why upgrade to SCOM 2016 when I can use OMS?

By |March 9th, 2017|

So, you are currently running with SCOM 2012 R2 and you have heard about this superb offering called OMS (Operations Management Suite) and you are currently scratching your head thinking…”If OMS does all this wonderful stuff, why should I bother upgrading to SCOM 2016?”.  Or maybe you are wondering why you are using SCOM at […]

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On Public Folders and what to do with them …

By |February 17th, 2017|

As a UC Consultant, I’m often called to deal with some tricky migrations but last week I was asked to deal with a complex situation.

I was visiting a customer who was still maintaining an older legacy Exchange environment because of the Public Folders and their access and this customer now wanted to move the data […]

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