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Hi - were you able to find a solution? I'm having a similar problem on a freshly built 2016 RDS deployment and am searching for a solution.
Thx
RDS 2016 web access some published app icons disappear after iisreset or restart.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 76%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJR%3C/text%3E%3C/svg%3E)
Jörg Walther
1
Reputation point
On our Windows 2016 RDS farm when one of the two Web Access servers restarts or we perform an iisreset its ../RDWeb/.. web ui drops some, but not all, published app icons. They just disappear despite refreshing the page multiple times. After performing two, three or four further iisresets they re-appear. This does not happen to established apps but only to ones which have 'recently' been added, say in the last year or so.
I cannot find any relevant event logs entries in either System, Application, IIS, RDS or TS logs.
CB Active Management server role is moved to other CB before restart or iisreset.
Our environment:
One Windows server 2016 RDS farm, consisting of nine servers.
Highly available 2* CB&WA servers (CB & WA roles are on same two servers). CB/WA are behind F5 load balancer from an end user p.o.v.. (Although the testing has been done with URLs targetting the WAs directly).
Database is on an MS SQL cluster
Two collections: collection one has two Session Hosts, collection two has four Session Hosts.
One separate license server.
All servers are updated to at least May 2021.
I wonder if anyone has seen this before or has any relevant troubleshooting suggestions. I'd be very grateful for any assistance.
Jörg
Windows for business | Windows Client for IT Pros | User experience | Remote desktop services and terminal services
6 answers
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(284.8, 76%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERK%3C/text%3E%3C/svg%3E)
Robert Koss 1 Reputation point2022-01-12T17:26:52.967+00:00 -
Jörg Walther 1 Reputation point
2022-01-12T18:24:09.207+00:00 Hi RobertKoss-1003,
Would you believe this issue is still under investigation and we've not yet found a definitive cause!
I've literally just finished running another of ever complex traces for Microsoft support and will be awaiting their analysis.We've honed down to the fact that it might be more to do with the CB aspect rather than the pure WA role. We have two servers with both CB & WA role installed.
One of them appear to be behaving normally, whilst the other tends to misbehave. One issue is that when publishing a new app it appears in the registry of one CB, but not the other (whilst older published apps appear on both as expected). So e.g. when publishing Calculator One of them shows this
key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\CentralPublishedResources\PublishedFarms\BusinessApps\Applications\win32calc
whilst the other doesn't.
So you might want to check your key for any discrepancies on all of your CBs.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\CentralPublishedResources\PublishedFarms\BusinessApps\ApplicationsI'll try to remember updating this thread when eventually we get an answer...
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