Error message: Customized cultures cannot be passed by LCID, only by name.
Posted by Lars Talaschus on 9 May 2016 15:57

Problem: The program cannot be installed or started and the error message "Customized cultures cannot be passed by LCID, only by name." is displayed. 

Solution: Upgrade to the latest MailStore version.

In case this is not possible, change the region settings of the operation system to a format whose LCID does not equal 4096. The format can be changed in Control Panel > Region > Formats.

Background: The regional settings of the operationg system are set to a format which cannot be handled by some .Net 3.5 functions. All formats whose internal ID (LCID) is 4096 (decimal), respectively 0x1000 (hex), are affected. User defined formats also have this ID.

The Powershell Cmdlet Get-Culture displays the currently set format and its LCID. All formats which can be handled by .Net 3.5 are listed in this document. A list of all formats and their LCIDs can be found in [MS-LCID].

Products: All MailStore products that are using the .Net version 3.5 are affected. These are MailStore Home < 9.7, MailStore Proxy and MailStore Server up to version 8.1.3.

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