Exchange – Failed to mount database(hr=0x80040115, ec=-2147221227)
Nov17

Exchange – Failed to mount database(hr=0x80040115, ec=-2147221227)

KB ID 0000664  Problem The Exchange server on my test network stopped working, the mailbox database was not mounted. When I attempted to mount it: ——————————————————– Microsoft Exchange Error...

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Exchange: Can’t Delete a Database
Mar21

Exchange: Can’t Delete a Database

KB ID 0001414 Problem Every iteration of Exchange comes up with some new system/hidden mailbox type that stops me deleting mailbox databases! This mailbox database contains one or more mailboxes, mailbox plans, archive mailboxes, public folder mailboxes or arbitration mailboxes, Audit mailboxes. To get a list of all mailboxes in this database, run the command Get-Mailbox -Database <Database ID>. To get a list of all mailbox...

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Users Cannot Access Public Folders Post Migration (Exchange 2016)
Mar29

Users Cannot Access Public Folders Post Migration (Exchange 2016)

KB ID 0001295 Dtd 29/03/17 Problem This post comes form my colleague Andrew Dorrian, he usually follows my migrating public folders article. Recently after a couple of Exchange 2016 migrations he has seen a problem where the public folders are visible in the Exchange Admin Console, but the users can’t access them. Solution Open ADSIedit.msc and connect to the ‘Configuration’ context. Navigate to; CN=Services >...

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Outlook Error “The name of the security certificate is invalid or does not match the name of the site.”
Aug02

Outlook Error “The name of the security certificate is invalid or does not match the name of the site.”

KB ID 0000036 Problem Seen in Outlook when connecting to a mailbox on an Exchange Server, its caused by using a self signed certificate OR a purchased certificate, where the internal and external names are different. Solution Before proceeding if you have an A or CNAME record in your DNS for autodiscover  then DELETE it and setup an SRV record! Exchange AutoDiscover Errors – Creating an AutoDiscover SRV Record 1. On the Exchange...

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Microsoft Exchange Server Build Numbers
Apr01

Microsoft Exchange Server Build Numbers

KB ID 0000344 Problem To find out what service pack and rollups have been applied to Microsoft Exchange you need to locate its “Build Number”. 2000/2003 2007 2010 Warning: After SP3 the build number does not update. To find your build number in Exchange 2010 (after SP3,) use the following command; exsetup | %{$_Fileversioninfo} 2019, 2016, and 2013 Find Exchange 2019 / 2016 and 2013 Build numbers from EMC (PowerShell) Run...

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Securing Exchange OWA with RSA SecureID
Nov17

Securing Exchange OWA with RSA SecureID

KB ID 0000966 Dtd 11/07/14 Problem Later on in the year I’ve got a big RSA and SharePoint deployment, as I know ‘Zippity Squat’ about SharePoint, I thought the best way to get some hands on experience, was to work out how to integrate SecureID with Exchange 2013, (which I know a few things about!) Solution I’m assuming you already have RSA Authentication Manager setup and users/tokens deployed. This run though...

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