Voicemail Pro installation - IP Office Info

3.4.3.3 Configuring Registry Settings
Installation: UMS Web Services
By default, UMS Exchange supports only up to 166 users. In order to support more number of users, proceed as follows:
1.On the computer hosting the Exchange server, open Registry Editor.
2.Under HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Services/MSExchangeIS/ParametersSystem, add a new key
MaxObjsPerMapiSession.
3.Under the new key, create a new DWORD Value objtMessageView, and set the value to thrice the number of required
users. For example, to support 500 users, set the value to 1500.
4.Restart the Microsoft Exchange Information Store service.
3.4.3.4 Assigning Permission to Users for MAPI
Use the steps in this section to assign permissions to user accounts to run the MAPI service. To assign permissions,
complete the following procedures:
1.Assign Send As permissions 51 .
2.Assign additional permissions 51 .
Assigning additional permissions
Procedures for assigning permissions are different for the different versions of Exchange Server. Select the procedure
that applies to your environment.
· Assigning permissions on Exchange 2003
· Assigning permissions on Exchange 2007
· Assigning permissions on Exchange 2010
3.4.3.4.1 Assigning Send As Permissions
To assign security permissions to the user under whose account MAPI service is to be executed:
1. Log on to the Active Directory server using an account that has Domain Administrator privileges.
2. Click Start | Administrative Tools | Active Directory Users and Computers.
3. From the View drop-down menu, select Advanced Features.
4. In the left pane of the Active Directory Users and Computers dialog box, right-click the domain and select
Properties.
5. In the Properties dialog box, select the Security tab.
6. Click Advanced.
7. In the Advanced Security Settings dialog box, click Add.
8. In the Select Users, Computers, Service Account, or Group dialog box, add the user’s account.
9. Click OK.
10. In the Apply to field, select Descendant User objects.
11. In the Permissions box, select Send As permissions.
12. Click OK to close the Permission Entry dialog box.
13. Click OK to close the Advanced Security Settings dialog box.
14. Click OK to close the Properties dialog box.
The system periodically applies a security descriptor to the following groups, which results in the Send As permissions
being removed from these groups.
· Administrators
· Domain Administrators
To prevent the Send As permissions from being removed:
1. Click Start > Run, type cmd, and click OK.
Note: You must be a member of the domain administrator group.
2. In the command window, enter the following:
dsacls "cn=adminsdholder,cn=system,dc=,dc=" /G "\:CA;Send As"
where,
· dc=,dc= is the customer’s fully qualified domain name (for example, dc=Avaya,dc=com).
· is the name of the service permissions group.
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It will take at least an hour for the security permissions to replicate to the user’s account.
Implementing Voicemail Pro Page 51
IP Office 8.1
15-601064 Issue 8b (Tuesday, December 11, 2012)