I am trying to remove the en-GB Unified Messaging Pack on our Exchange 2013 Installation so that i can install CU23. when i run the command:
Setup.exe /RemoveUmLanguagePack:EN-GB
It returns an error, looking in the ExchnageSetup.log it is showing the below error:
[01/29/2020 11:22:13.0360] [0] Setup is choosing the domain controller to use
[01/29/2020 11:22:13.0923] [0] The MSExchangeADTopology has a persisted domain controller: <Domain Controller Hidden for Company Privacy>
[01/29/2020 11:22:13.0970] [0] [ERROR] Exception has been thrown by the target of an invocation.
[01/29/2020 11:22:13.0970] [0] [ERROR] Method not found: 'Boolean Microsoft.Exchange.Data.Mime.MimeAddressParser.IsValidDomain(System.String, Int32, Boolean)'.
[01/29/2020 11:22:13.0985] [0] CurrentResult SetupLauncherHelper.loadassembly:444: 1
[01/29/2020 11:22:13.0985] [0] The Exchange Server setup operation didn't complete. More details can be found in ExchangeSetup.log located in the <SystemDrive>:\ExchangeSetupLogs folder.
I have rebooted the server multiple times, i have reset my Internet Explorer Settings and rebooted following an article i found online. There is no support information i can find on this issue particularly.
Setup.exe /RemoveUmLanguagePack:EN-GB
It returns an error, looking in the ExchnageSetup.log it is showing the below error:
[01/29/2020 11:22:13.0360] [0] Setup is choosing the domain controller to use
[01/29/2020 11:22:13.0923] [0] The MSExchangeADTopology has a persisted domain controller: <Domain Controller Hidden for Company Privacy>
[01/29/2020 11:22:13.0970] [0] [ERROR] Exception has been thrown by the target of an invocation.
[01/29/2020 11:22:13.0970] [0] [ERROR] Method not found: 'Boolean Microsoft.Exchange.Data.Mime.MimeAddressParser.IsValidDomain(System.String, Int32, Boolean)'.
[01/29/2020 11:22:13.0985] [0] CurrentResult SetupLauncherHelper.loadassembly:444: 1
[01/29/2020 11:22:13.0985] [0] The Exchange Server setup operation didn't complete. More details can be found in ExchangeSetup.log located in the <SystemDrive>:\ExchangeSetupLogs folder.
I have rebooted the server multiple times, i have reset my Internet Explorer Settings and rebooted following an article i found online. There is no support information i can find on this issue particularly.
