ad-adpermission not available

scenario:
admin wants to be able to run ad-adpermission cmdlet but cmdlet isn’t available.
 
Follow these steps to resolve:
step 1: Find parent role and create new mgmt role (child role) called Adpermissions for eg
New-ManagementRole -Name “Adpermissions” -Parent “Active Directory Permissions”

Step 2: Assign role to a security group. security group must be create must be created prior to doing step 2
New-ManagementRoleAssignment -Name “Adpermissions-Ex2010-AdPermissions” -Role “Adpermissions” -SecurityGroup “Ex2010-AdPermissions”

get the version of your exchange server rollup and all

The most conclusive way to get the version of your exchange server, rollup and all, is to check the file version of ExSetup.exe in the BIN folder.
 
you can use this Pshell one liner:
GCM exsetup |%{$_.Fileversioninfo}
 
find exchange patches and build dates here:
 
Link to Exchange versions/patches and build dates

Imap user not able to login to Exchange 2010

Issue: Imap user not able to login to Exchange 2010
 
synopsis: User has been able to login to Imap using any imap client. However imap suddenly stopped working and won’t accept the credentials. User was able to login to OWA or Outlook with same credentials
 
 
Resolution: Move user’s mailbox to another database and Clear the move requests