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Author: edward

Exchange 2010:- Error 0xe0434f4d (unknown error) when checking DAG status

Posted on by edward

Running the command Get-MailboxDatabaseCopyStatus * on an Exchange 2010 Server that has Exchange 2016 in the environment, returns all the database copies for every version but today Exchange 2010 gave a weird error: A server-side administrative operation has failed. Operation failed with message: Error 0xe0434f4d (Unknown error …. This is what you get in the […]

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Category:Exchange 2010, Exchange 2016
TaggedDatabase copy status, Error 0xe0434f4d Exchange DAG, Exchange 2010, Exchange 2016
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Exchange 2010:- Event ID 2501,2601 and 2604 – ADAccess

Posted on by edward

Networking and Exchange, well this can cause issues upon issues and log events you might have not seen before. For example, on a customer server, the following 3x event ID’s were logged every 10-15 minutes: 2501 2601 2604 Here are screenshots of each error: From the server, you can ping the network, other servers can […]

Category:Exchange 2010
TaggedEvent 2501, Event ID 2601, Event ID 2604, Exchange 2010, MSExchange ADAccess
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Exchange 2010:- Mailbox move fails

Posted on by edward

Moving mailboxes in Exchange is relatively a painless task, but when you run into issues like space or network problems then all the moves you started all begin to fail. Here is an example of a DAG going down and all the moves failing with the following error: Error: Move for mailbox ‘mailbox1’ is stalled […]

Category:Exchange 2010
Taggeddoes not satisfy constraint SecondCopy, Exchange 2010, Mailbox move fails
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Exchange 2010: New Store fails with error: “Master is invalid..”

Posted on by edward

Creating new mailbox stores should be straight forward, right? Strange one encountered in my lab yesterday, created about 7 stores and the 8th one created but the Master was pointing to the server itself and not to the DAG. Try mounting a store in this state and you get the following error: Initially I thought […]

Category:Exchange 2010
TaggedAn Active manager operation failed, error database master is invalid, Exchange 2010, Master is invalid
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Exchange 2010: DAG member won’t install Failover Clustering

Posted on by edward

Adding a member to a DAG should be simple? Right? Well it can go very wrong as well. Unique error that we encountered. The first DAG set went through fine and all stores mounted etc. however on the second pair, the server would install Failover Cluster or so it seemed and then the GUI or […]

Category:Exchange 2010
TaggedExchange 2010, Failover Cluster won't install, Missing service - cluster service
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Exchange 2010:- Information Store Service starts and stops

Posted on by edward

Any Exchange Admins worst nightmare is when you reboot your Exchange server and the Information Store Service won’t start. There can be many factors why this can happen and the event logs will also give you details of why it failed, but in this scenario the failure was not what was expected. When checking the […]

Category:Exchange 2010
TaggedExchange 2010, Information Store, Information Store service not starting
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Exchange 2010:- Find the outlook version of a user connected to your CAS server.

Posted on by edward

Many times your IT manager will ask, what version of outlook is everyone running or you have a case where you need to know what user accessed the system and from what version. Now systems like SCCM or Labtech can provide you with this but a few Exchange PowerShell commands will also give you the […]

Category:Exchange 2010, PowerShell
TaggedExchange 2010, Find Outlook Versions on CAS server, Get-LogonStatistics
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Exchange 2010:- Rollup Upgrade Fails

Posted on by edward

In any org, not all upgrades succeed, you might come across a server, whether it is a multi-role, CAS, HUB or MBX server where it fails. The error is a bit cryptic, the setup creates the assemblies and then rolls back immediately with a premature failure. To be able to see what is causing the […]

Category:Exchange 2010
TaggedExchange 2010, Exchange 2010 Rollup failure, Exchange 2010 SP3, Exchange 2010 SP3 rollup error
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Exchange 2010:- Apply Rollup 26

Posted on by edward

Many organizations are still running Exchange 2010 and if you follow the blogs Microsoft advised to upgrade to the latest RU to fix a number of things. The installation is pretty simple, download RU26 and copy it to a folder where your installs are, like C:\Installs Right click the file and unblock it before proceeding. […]

Category:Exchange 2010
TaggedExchange 2010, Exchange 2010 Rollup, Rollup 26 Exchange 2010, RU26 Exchange 2010
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