The Exchange Edge Transport server version is incorrect in EAC or ECP after an upgrade
Original KB number: 4019802
Symptoms
After you upgrade an Edge Transport server to a new version, you notice the following situations:
In Exchange Admin Center (EAC) or Exchange Control Panel (ECP), the version information for the Edge Transport server isn't updated as expected, as shown in the following screenshot.
On another server that is running Exchange Server and that isn't an Edge Transport server, you run the Get-ExchangeServer cmdlet in Exchange Management Shell by using the following command:
Get-ExchangeServer edge | FL Name, AdminDisplayVersion
After you run the command, you notice that the AdminDisplayVersion output is incorrect.
Cause
This issue occurs because the Edge Subscription XML file that contains the version information isn't updated when you upgrade the Edge Transport server.
Resolution
To resolve this issue, resubscribe the Edge Transport server. To do this, follow these steps:
On the Edge Transport server, run the New-EdgeSubscription cmdlet in Exchange Management Shell to create and export the Edge Subscription file, as follows:
New-EdgeSubscription -FileName "c:\EdgeServerSubscription.xml"
On the Mailbox server, import the file that is generated in step 1, and then complete the resubscription process. To do this, run the following commands in Exchange Management Shell:
[byte[]]$Temp = Get-Content -Path "C:\EdgeServerSubscription.xml" -Encoding Byte -ReadCount 0 New-EdgeSubscription -FileData $Temp -Site "Default-First-Site-Name"
Note
- You have to resubscribe the Edge Transport server to the same Active Directory site that it was originally subscribed to.
- You don't have to remove the original Edge Subscription. This is because the resubscription process overwrites the existing Edge Subscription.
References
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