Items related to messaging services with a focus on Exchange Online (EXO) and Exchange server (on-premises)
In the March 2015 security bulletin, update 15-027 was released. This is to address a vulnerability in the Netlogon component of windows that could allow spoofing. The security bulleting for 015-027 is available in the Security TechCenter. KB 3002657 provides details of the update.
Please be aware that the update has been revised, and version 2.0 is now available. Versi… Read the rest “Update 015-027 Revised (3002657)”
This content was extracted from a separate upcoming Exchange 2013 schema post to maintain focus on viewing the Exchange schema attributes.
Exchange 2013 admins should assume that a Cumulative Update (CU) will have AD schema updates. The release notes and release blog post will discuss this in detail for each CU. This is very similar to the Exchange 2007/2010 service packs of old.
Curious as to what IPs are used by your Azure VMs? This may seem a simple question, but it was not until last year that Azure allowed you to set static IPs on VMs. Prior to this it was a first come first served basis. The net result was that you powered VMs on in a set order to preserve the IP assignment scheme that you wanted.
The first usable IP address on the Azure VM subnet is the .4 address… Read the rest “How To Get Azure VM IP Addresses Using PowerShell”
This is link throw down for items that we discussed in a recent Exchange 2013 workshop. Well, actually two workshops. Depending upon which one you attended the additional links will be slightly different.
Client Connectivity in an Exchange 2013 Coexistence Environment
Exchange 2013 and Exchange 2010 Coexistence with Kerberos Authentication - beware the prerequisites and review closely.… Read the rest “Exchange 2013 Workshop Links – February 2015”
Over time a typical Azure subscription will create, delete and manage multiple virtual machines. When removing an Azure VM there is the option to retain the disk.
In a large environment with lots of disks and VMs, how can we easily see what disks are not currently in use?
The portal can show the disks that are attached and not attached.
This is good for a few disks, though if … Read the rest “Which Azure Disk Is Not Attached”
One of the customers I was working with last week encountered an error whilst attempting an operation in Exchange Online PowerShell. This surprised them, as they were logged on as an account in the Organization Management RBAC Role group.
They received an error running the following cmdlet:
This reported failure was due to an error with CmdletInvalidOperationInDehydratedContextException.
This actua… Read the rest “Office 365 Command You Tried To Run Isn’t Currently Allowed Due To DeHydration”
As mentioned in the previous posts in this services, the configuration of Exchange ActiveSync was something that is commonly overlooked by many a consultant. Exchange ActiveSync allows any user to synchronise any device by default. If this is what your organisation wants to do, then you are good to go. If not, then changes must be made. The issue is that if you simply change the global Active… Read the rest “Exchange ActiveSync Script To Grandfather Existing Devices”
On the Retrieving Packets Received Discarded Perfmon Counter From Multiple Servers post, Tim commented that he had found the script very useful when troubleshooting discarded packets on Exchange 2013 DAG servers. Using PowerShell it is very easy to extend the search to discover which other servers are impacted by the packets received discarded issue.
Since the initial version of t… Read the rest “Retrieving Packets Received Discarded Perfmon Counter From Multiple Servers–Updated February 2015”
This is an interesting tale from a customer who was trying to get a list of Outlook clients that were connecting to their Exchange 2010 servers. They wanted to validate the Outlook versions that were connecting, due to Exchange 2013 requirements and also that Outlook 2010 must have SP2 installed at this time.
A quick search of the interwebs turned up a script, and they though all was golden at tha… Read the rest “PowerShell – CannotConvertArgumentNoMessage Where Object Error”
Exchange 2013 introduced the Managed Availability feature to provide a very capable automated monitoring and management framework. Managed Availability allows Exchange to self diagnose and to self correct issues without having to escalate to a carbon life based unit for every issue. Whilst Managed Availability may still have to page humans, the frequency is certainly reduced compared to Exchange… Read the rest “Quick Tip: What Restarts Has Managed Availability Issued”