Client Automation - SCCM job returns error 800706BA

Products

• CA Client Automation - Asset Management
• CA Client Automation - IT Client Manager
• CA Client Automation

Issue/Introduction

SCCM job (CA Asset Converter for Microsoft SCCM) is in Error.

In TRC_SMSEX_*.log there are this error :

SMSEX|SmsQuery::connec|SmsQuery::connect   |000000|ERROR  | ConnecServer() returned error: 800706BA
SMSEX|SmsQuery::connec|SmsQuery::connect   |000000|ERROR  | Unknown error
SMSEX|SmsQuery::connec|SmsQuery::connect   |000000|ERROR  | Could not connect.


ConnecServer() returned error: 800706BA

 

Environment

Client Automation - All versions.

Cause

SCCM job tries to connect using WMI to \\sccm_server\root\SMS

But WMI connection fails with error 800706BA
Error 800706BA means "RPC Server Is Unavailable"

This could have multiple cause.
A possible cause is that a port is blocked by a firewall.

 

Resolution

RPC is using following ports :

- TCP 135 (to target machine - SCCM server)
- A dynamic TCP port. Default Range on Windows 49152-65535

Make sure these ports are allowed by firewall

 

Additional Information

To limit the dynamic TCP port ranged used by RPC, this could be done on SCCM/SMS Microsoft Server :

 

- Execute regedit and In registry 

 

Add the Internet key under: HKEY_LOCAL_MACHINE\Software\Microsoft\Rpc

 

 

- Under the Internet key, add the values "Ports" (MULTI_SZ), "PortsInternetAvailable" (REG_SZ), and "UseInternetPorts" (REG_SZ).

For example, the new registry key appears as follows:

 

Ports: REG_MULTI_SZ: 5000-5100
PortsInternetAvailable: REG_SZ: Y
UseInternetPorts: REG_SZ: Y

 

 

 

- Reboot the server

 

- Then allow in firewall the TCP IP range set (ex: 5000-5100)

 

See these pages for more information :

 

 

https://support.microsoft.com/en-us/help/154596/how-to-configure-rpc-dynamic-port-allocation-to-work-with-firewalls

 

https://techcommunity.microsoft.com/t5/system-center-blog/how-to-limit-dynamic-rpc-ports-used-by-dpm-and-protected-servers/ba-p/343614