# Registering Session manager with System Manager ver 10.1
On system Manager Navigate to the Elements > Routing > SIP Entities page and add the Session Manager
and Branch Session Manager as a SIP entity. (here you specify the IP for the Security Module)
[](https://wiki.tinod.net/uploads/images/gallery/2023-04/l17vLR5yQhMX2EKJ-image.png)
Add new Element for session manager, select previous sip entity and specify the session manager management IP address.
[](https://wiki.tinod.net/uploads/images/gallery/2023-04/NINUBjcSiEkQE6sq-image.png)
Navigate to the Services > Security > Certificates > Enrollment Password page and
type an Enrollment Password.
[](https://wiki.tinod.net/uploads/images/gallery/2023-04/NHBQ2l2GR9bwOxwt-image.png)
Enrollment is usually done at the initial deployment of Session Manager, you can also perform a manual enrollment process by running initTM, this not always work and its recommended to redeploy session manager and run wizard from CLI after fresh installation.
[](https://wiki.tinod.net/uploads/images/gallery/2023-04/1OnjZJt8EfFPnzXm-image.png)
Validate replication on services, replication, session manager.
Logon to session manager via ssh and run initTM (/opt/Avaya/bin/initTM).
```bash
cust@avaya-asm bin]$ initTM
Downloading System Manager root CA
Unable to download System Manager root CA, rc = 28
Enter the Enrollment Password that matches the value in System
Manager administration (Security -> Certificates --> Enrollment Password).
Enrollment Password:
Enrollment Password again:
Trust Management Initialization started.
Trust Management Initialization with System Manager started.
```
Fail to replicate
validate hostname /etc/hosts to make sure both system manager and session manager have fqdn on their host files
```
[cust@avaya-asm ~]$ cat /etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.10.209 avaya-asm.htf.com.mx avaya-asm Asm
192.11.13.17 smgrvirtual.htf.com.mx smgrvirtual AsmSysMgr
192.168.10.210 smgr.htf.com.mx smgr AsmSysMgr1
```
```bash
root >cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
192.168.10.210 smgr.htf.com.mx smgr
::1 localhost6.localdomain6 localhost6
192.168.10.210 smgrvirtual.htf.com.mx smgrvirtual
192.168.10.209 avaya-asm.htf.com.mx avaya-asm
```