I have EBS 2008 installed and have played around a little with certificates. When I now check my security server which has the edge transport service installed I get "The LDAP server is unavailable" in the Exchange managment console. So then I tried to issue a new subscription but then I get this error:
New-EdgeSubscription : An Active Directory error 0x51 occurred when trying to c
heck server 'localhost:50389' suitability: 'The LDAP server is unavailable.'.
At line:1 char:21
+ New-EdgeSubscription <<<< -file "C:\EdgeSubscriptionExport.xml"