MS security patches lead to ams login failure

MS security patches lead to ams login failure

AMS issue reported:
here were Microsoft Security Patches updated and now we have an “Unspecified Error”.
issue reported

Investigation

amsapp01 error service call failed
amsapp01-error-service-call-failed

amsapp01 .net versions
amsapp01 .net versions

amsapp01-error-service-call-failed
amsapp01-error-service-call-failed

amsapp01 TombstoneWCF error – duplicate scriptResourceHandler
amsapp01 TombstoneWCF error - duplicate scriptResourceHandler
amsapp01iis apppools
amsapp01iis apppools

fix ams stop working after patch – install svc in iis for dotnet 2.0
fix ams stop working after patch - install svc in iis for dotnet 2.0

Reason
The Windows security patch broke dotnet service model registration on IIS, and lead to WCF service stop working.

Solution
“C:\Windows\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\ServiceModelReg.exe” -i

Improve
In the future, better test it on dev server before applying the patch to the production.

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Author: Albert

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