C
Chrisc90s
Guest
Hi All,
Apologies if this is not in the right place - first post.
Preface:
I work for a large-ish company and we have been doing a big upgrade, moving everyone from Office 1997 & Outlook 2003 to Office 365. Along with this we are upgrading Exchange from 2010 -> 2016 -> 2019 (all on premises)
The exchange upgrades are being handled by a 3rd party, I have already consulted him with this and he's not seen it before in his 20 years of Exchange Admin experience.
Problem:
Once a Outlook installation and profile has been updated from Outlook 2003 to Office 365, when a user replies to or forwards a email (Old or New, Internal or External, Personal or Shared) the original sender's email address is missing, example:
From: Joe Smith
Sent: 04/05/2020 10:30
To: IT Admin - Company <IT.admin@company.com>
Subject: Example Email
Next to "Joe Smith" you would expect the following:
From: Joe Smith <Joe.smith@company.com>
Troubleshooting Done:
- Compared accounts via ADSI Edit
- Checked & Compared all Outlook settings (Took an hour)
- Checked Exchange Mailbox Settings (Exchange 2010)
- Tried Recreating profile
- Checked with a shared 2010 mailbox and 2016 mailbox - same result
- Unable to replicate on my account (Made 2019, Only used O365)
- Unable to replicate with anyone that is 2007 -> O365, 2010 -> O365 or 2013 -> O365
- Checked registry for "DisableEmailAddressInRepoyHeaders" - No key, created key with DWORD 0 and this did nothing
- Office 365 Reinstall made no change
- Tried ScanPST / PST repair - found and fixed errors but no change
- Starting Outlook in safe mode fixes this issue
Any ideas or thoughts would be most appreciated.
Continue reading...
Apologies if this is not in the right place - first post.
Preface:
I work for a large-ish company and we have been doing a big upgrade, moving everyone from Office 1997 & Outlook 2003 to Office 365. Along with this we are upgrading Exchange from 2010 -> 2016 -> 2019 (all on premises)
The exchange upgrades are being handled by a 3rd party, I have already consulted him with this and he's not seen it before in his 20 years of Exchange Admin experience.
Problem:
Once a Outlook installation and profile has been updated from Outlook 2003 to Office 365, when a user replies to or forwards a email (Old or New, Internal or External, Personal or Shared) the original sender's email address is missing, example:
From: Joe Smith
Sent: 04/05/2020 10:30
To: IT Admin - Company <IT.admin@company.com>
Subject: Example Email
Next to "Joe Smith" you would expect the following:
From: Joe Smith <Joe.smith@company.com>
Troubleshooting Done:
- Compared accounts via ADSI Edit
- Checked & Compared all Outlook settings (Took an hour)
- Checked Exchange Mailbox Settings (Exchange 2010)
- Tried Recreating profile
- Checked with a shared 2010 mailbox and 2016 mailbox - same result
- Unable to replicate on my account (Made 2019, Only used O365)
- Unable to replicate with anyone that is 2007 -> O365, 2010 -> O365 or 2013 -> O365
- Checked registry for "DisableEmailAddressInRepoyHeaders" - No key, created key with DWORD 0 and this did nothing
- Office 365 Reinstall made no change
- Tried ScanPST / PST repair - found and fixed errors but no change
- Starting Outlook in safe mode fixes this issue
Any ideas or thoughts would be most appreciated.
Continue reading...