Introduction to UCCX_8.5.1.part07.rar Software
The UCCX_8.5.1.part07.rar file is part of the multi-volume archive for Cisco Unified Contact Center Express (UCCX) Version 8.5.1, a critical software release designed for enterprise-level contact center operations. This RAR segment contains essential components for deploying UCCX 8.5.1, including security patches, database schema updates, and compatibility enhancements for hybrid cloud integrations.
Cisco UCCX 8.5.1 focuses on improving call routing reliability, historical reporting accuracy, and compliance with modern telephony standards. The software supports on-premises deployments and integrates with Cisco Unified Communications Manager (CUCM) 10.5(2) or later for unified agent-desktop workflows.
Release Date: July 2021 (archived distribution)
Version: 8.5.1 SU2 (Software Update 2)
Key Features and Improvements
1. Database Connection Pool Optimization
UCCX 8.5.1 resolves critical database connectivity issues where the Cluster View Daemon service could exhaust connection pools during nightly purge operations, causing unplanned primaryship failovers. The update introduces:
- Dynamic connection recycling for MySQL/Microsoft SQL Server
- Real-time monitoring of
HISTORICAL_DB_WRITE_FAILEDalerts via RTMT - Automated flat-file restoration for interrupted database writes.
2. Enhanced Certificate Management
This release simplifies TLS/SSL configuration with:
- Multi-SAN certificate support for co-resident Finesse/CUIC nodes
- Prevalidated Tomcat keystores for SocialMiner/CCP chat integration
- Simplified CSR generation for Let’s Encrypt or internal PKI.
3. Security and Protocol Updates
- TLS 1.2 Enforcement: Mandatory for all HTTP/HTTPS traffic between UCCX components.
- SHA-256 Compliance: Required for digitally signed scripts and reporting exports.
- CVE-2021-34746 Mitigation: Patched buffer overflow vulnerability in SIP stack.
Compatibility and Requirements
Supported Hardware
| Model | Minimum Firmware | Notes |
|---|---|---|
| UCS C220 M5 Server | 4.1(3c) | Primary application node |
| UCS C240 M5 Server | 4.1(3c) | High Availability (HA) deployment |
| Catalyst 9300 Series | IOS XE 17.6.1 | QoS for VoIP traffic |
Software Dependencies
- Operating System: Red Hat Enterprise Linux 7.6 (64-bit)
- Database: MySQL 5.7.32 or Microsoft SQL Server 2016 SP2
- Integration: CUCM 10.5(2)+, CUIC 11.6(1), Finesse 12.0(1)
Limitations and Restrictions
- Partial Archive Dependency: The
.part07.rarfile requires all 12 segments (part01–part12) for successful extraction. - Legacy Protocol Support: Does not include backward compatibility for SCCP phones or Jabber clients older than 12.8.1.
- Virtualization Constraints: VMware ESXi 6.7 U3 or later required; incompatible with Hyper-V Generation 2 VMs.
Accessing UCCX_8.5.1.part07.rar
To obtain the complete UCCX 8.5.1 software bundle:
- Verify Cisco Service Contract: Ensure active Smart Net Total Care or Collaboration Flex 3.0 subscription.
- Request Download Link: Contact Cisco Technical Assistance Center (TAC) with your service agreement ID.
- Alternative Source: Authorized resellers like ITSoftHub may provide legacy version access for lab environments.
For extraction guidance on Windows 11/macOS, refer to 7-Zip (Windows) or The Unarchiver (macOS) documentation.
References
: RAR file extraction guides (2021–2025)
: Cisco UCCX 8.5.1 Security Bulletins and Compatibility Matrices
: UCX high-performance communication framework
Note: Always validate SHA-256 checksums post-download to ensure archive integrity.
