Relevant Products: Signature Manager Outlook Edition
You wish to update Microsoft® Outlook Web Access (OWA) signatures & settings from the server. By default, Exclaimer Signature Manager updates the OWA signatures & settings from each client desktop computer using ExSync.exe. This 'server' method of signature deployment can be used if you have users who access their email only by OWA and rarely log on to your domain. Specific permissions are required for the user account used to update the signatures & settings. This also applies to Office 365.
Description
The permissions required vary depending on the version of Microsoft® Exchange your mailbox server is using:
- Exchange 2007 and Small Business Server 2008
- Exchange 2010, Exchange 2013, Exchange 2016 and Small Business Server 2011.
- Office 365
Please follow the steps in the appropriate subsequent section to setup the correct permissions.
Exchange 2007 and Small Business Server 2008
The user account used must have the 'Store Admin' permission. To achieve this, please follow these steps:
1. Click Start, click All Programs, click Microsoft Exchange Server 2007, and then click Exchange Management Shell:
2. A black PowerShell window will appear. Enter the following command and press ENTER:
(Replacing with the user account you wish to use.) 
3. The user account you wish to use now has the required permission.
Exchange 2010, Exchange 2013, Exchange 2016 and Small Business Server 2011
1. Click Start, click All Programs, click Microsoft Exchange Server 2010/2013/2016, and then click Exchange Management Shell:
2. A black PowerShell window will appear. Enter the following command and press ENTER:
(Replacing with the user account you wish to use.)
3. Enter the following command and press ENTER:
4. Enter the following command and press ENTER:
5. Close the PowerShell window.
6. The user account you wish to use now has the required permission.
Microsoft® Office 365
1.Run the following Powershell script:
When prompted, please enter account details for an Office 365 administrator.
2. Run the following Powershell script:
3.Log on using an Office 365 administrator account and enter the following command:
Replace "EMAIL ADDRESS" with the email address of the account you would like to use for the OWA signature updates on Office 365.