Can I ‘Shrink’ My Exchange Database?
Oct06

Can I ‘Shrink’ My Exchange Database?

KB ID 0001706 Problem Saw this asked in a forum today, and my response was; It never gets smaller, if you delete things out of it, it just creates more ‘whitespace’ within the database, unless you; a) Take it offline, and defragment it using eseutil. b) Move the mailboxes out of it, to another database and delete it. Which is true, but even Microsoft say you should not need to defragment a database! Before you do anything...

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

Users Cannot Access Public Folders Post Migration (Exchange 2016)

KB ID 0001295  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 > CN=Microsoft...

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The name of the security certificate is invalid or does not match the name of the site
Aug02

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. The name of the security certificate is invalid or does not match the name of the site. Solution Before proceeding if you have an A or CNAME record in your DNS for autodiscover  then DELETE it and setup an SRV record!...

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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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