egroupware and https

[Mammut]

Hello together,

i need help to change access to egroupware by https.
I created a file ".htaccess" in Directory "/usr/share/egroupware" with following content:

Code: [Select]

RewriteEngine ON
Redirect /egroupware https://myserver/egroupware
With enabling the RewriteEngine it works that the Access to "http://myserver/egroupware" is redirected to "https://myserver/egroupware"
But Apache says:

Not Found
The requested URL /egroupware/ was not found on this server.

What is wrong?
Thank you for your help.