Exchange: ‘Can’t find the Organizational Unit that you specified’
KB ID 0001561 Problem I’ve not actually seen this myself, but it was asked on a forum, and I managed to replicate it on the bench. When working on a user or mailbox in Exchange you may see the following error; Error Can’t find the organisational unit that you specified, Make sure that you have typed the OU’s identity correctly Solution This happens because you have a ‘Slash’ ‘/’in the...
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...
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...
Exchange 2019 / 2016 Manage Remotely via PowerShell
KB ID 0001465 Problem Since Exchange 2013 we have been able to manage Exchange remotely through the Exchange Admin Center, but what if you want to use the Exchange Management Shell remotely? Install Exchange Management Tools This is not just the Management Shell, this will also install the Toolbox and additional help. There are few prerequisites, but to install from a normal PowerShell prompt; Enable-WindowsOptionalFeature -Online...
SBS Server: Remove / Uninstall Exchange
KB ID 0001455 Problem I’ve never really been a fan of SBS Server, Theres too many ‘wizards’, and things that are either automatically configured for you, or wont work until you’ve configured something else, I’ve a boat-load of problems with it over the years. Last week saw me retiring an SBS 2011 server, and migrating to a 2016 domain, with Exchange 2016 server. But how to gracefully remove Exchange 2010...
Exchange 2007 / 2010 Update Rollups Wont Apply
KB ID 0001454 Problem I had to do an SBS 2011, (Exchange 2010) to Exchange 2016 migration last week. The Exchange 2010 installation had not been updated for a long time, anyway common sense dictates that you should always upgrade the old Exchange server to the newest version first. But every time I did, the install launched, started, stopped, then rolled back the changes, and failed. Setup wizard for Update Rollup {version} for...
Exchange Update / Install Error: The Error Code Is 8224
KB ID 0001451 Problem I saw this error while attempting to install an update on Exchange 2010, but it can be seen on all flavours of Exchange. This is the ‘gist’ of the error; Organization Preparation Failed Error: The following error was generated when “$error.Clear(); install-ExchangeSchema -LdapFileName ($roleInstallPath + “Setup\Data\”+$RoleSchemaPrefix + “schema0.ldf”) ” was run:...
O365: Enable Application Impersonation
KB ID 0001449 Problem While using a migration tool to do some ‘on-prem’ to Office 365 migrations I had to enable ‘Application Impersonation’ for my Office 365 user. The tool didn’t explain how to do that, so I had to work it out for myself 🙁 So to make things easier for everyone else, here’s how to do it. Solution From within the Office 365 portal > Admin > Exchange. Dashboard > Permissions...
Exchange 2010 Stops Working after 6 – 12 Hours Uptime
KB ID 0001447 Problem If your Exchange 2010 Server Stops working after a 6 to 12 hour window, then this is a known problem caused by last months (July 2018) security updates. You will also notice that the ‘transport service’ becomes unresponsive. Note: A reboot will temporarily fix the problem but the server then ceases to function after the same time. Solution Which update you need to uninstall, depends on your operating...
Exchange: “BuildToBuildUpgrade” Error
KB ID 0001436 Problem In the middle of an Exchange upgrade I got a bit stuck with the following error; “Setup previously failed while performing the action “”BuildToBuildUpgrade” You can’t resume setup by performing the action “Install”. There are a couple of variations on this error as well, you can also see either of the following; “Setup previously failed while performing the action “Install” You can’t resume...