2198167 - Redundancy issues - Infrastructure Administrator traffic lights showing abnormal roles and statuses in Active/Active multi-server system landscape

Image/Data is from SAP internal systems, sample data, or demo systems.  Any resemblance to real data is purely coincidental.

• You have deployed a multi-server SAP Contact Center System Landscape with several application servers, but all virtual units remain active.
• SAP Contact Center Virtual Units are getting active on multiple Instances together
• The normal scenario, would be to only have one Virtual Unit Active while its counterpart is set to spare in other nodes as shown in the example image below:
  
• However, in the system with anomalies, what you see is similar to the below illustration:
  
• HAC logs show the following errors:
• ERR> SecureContext::VerifyClientAgainstThis: Failed due to different certificates
• Health set to [UNKNOWN] due to Hosting node has failed but is active
• HTTP: none of the server addresses are locally assigned. IIS
• Cannot activate the IP address [XXX.XXX.XX.XX] - another machine holds the address -> where the XXX represents an IP address used.
• Raised major problem [24]: [No connection to the node]

SAP Contact Center

CCtr, SCC, CCI, CRM-CCI, SAP Business Communication Management 7, IA, Virtual Units, Active/Active, Together, VU, VUS, HAC, Instances, Unknown exception, Couldn't find certificate issued to , KBA , CRM-CCI , Contact Center Infrastructure , Problem