Exchange Size Limits
Apr01

Exchange Size Limits

Exchange Size Limits KB ID 0001368 Problem When attempting to send an email from Outlook via Exchange,  you see a message like the one below. The following files weren’t attached because adding them would cause the message to exceed the maximum size limit of {Size} MB: {File-Name} Or, when someone attempts to send a message to one of your mailbox users they get an NDR that looks like this. Remote Server returned ‘550 5.2.3...

Read More
There Is No Editor Registered To Handle This Attribute Type
Sep27

There Is No Editor Registered To Handle This Attribute Type

KB ID 0001837 Problem If you attempt to edit the authOrig attribute of a mail enabled group using ADSIedit you will get the following error. There is no editor registered to handle this attribute type. Why would you be doing this? This is done when you want to restrict who can email a group. Solution If you are running either on-premises Microsoft Exchange (or are running in Hybrid Exchange mode, and have retained an Exchange server...

Read More
Exchange: Object Reference Not Set To An Instance Of An Object
Sep19

Exchange: Object Reference Not Set To An Instance Of An Object

Object Reference Not Set KB ID 0001836 Problem This has plagued me for a while – but as the server was my test server it’s had to wait. When attempting to open the Exchange Admin Center website I got the following; Server Error in ‘/ecp’ Application Object reference not set to an instance of an object. Object Reference Not Set: Solution First stop was to make sure all the Exchange services were running....

Read More
451 4.7.0 Temporary Server Error
Apr26

451 4.7.0 Temporary Server Error

451 4.7.0 KB ID 0001823 Problem If you attempt to connect to and send mail via command line to your Exchange Server, you may see the following error after you end the data section of the operation. 451 4.7.0 Temporary server error. Please try again later. PRX5 Solution 451 4.7.1 Error Log into Exchange Amin Center > Mail Flow > Receive Connectors > Default Frontend {Server-Name} > Edit > Scope > Select the IPV4 entry...

Read More
UnifiedContent Folder ‘Growing’
Apr11

UnifiedContent Folder ‘Growing’

UnifiedContent KB ID 0001820 Problem If you have a vanilla install of Exchange, it will clean up the UnifiedContent folder on a four hourly schedule. the problem occurs if you have moved your Exchanges ‘Queue” directory. This will also relocate the UnifiedContent folder, but then Exchange, will still try (and fail) to tidy it up in the original location, (because it’s not there anymore!) Typically, you will see your...

Read More
PowerShell to Exchange Online
Mar01

PowerShell to Exchange Online

PowerShell to Exchange Online KB ID 0001814 Problem While attempting to PowerShell to Exchange Online today, I tried to do this by using my usual method, and repeatedly got this error. New-PSSession : [outlook.office365.com] Connecting to remote server outlook.office365.com failed with the following error message : Access is denied. For more information, see the about_Remote_Troubleshooting Help topic. At line:1 char:12 + $Session =...

Read More