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We started experiencing an issue recently and I am starting to spin my wheels. Hopefully someone can point me in another direction.What I Know:- When loading entities in Internet Explorer 11, it is taking a long time to load sub-grids, the social pane, business process flow area, and other aspects of the page - By a long time I mean it takes over 20,000 ms, in other browsers it is taking 2,000 ms or less- This is for any entity with any of those controls- This does not occur in FireFox or Chrome- We have 2015 On-PremisesWhat I have tried:- Clearing IE cache & history- Resetting IE via Internet Options- Downgraded to IE 10- Imaged a brand new machine with an older set of patches (approximately 2 - 3 months old) - Things work fine on IE in this machine- Used Performance Center to compare load times (pretty much tells me what I already know)What I assume:- This is not a network nor server issue, otherwise other browsers would be affected. Am I correct in assuming this?- It is most likely a Windows client workstation update causing the issue, but haven't been able to prove it yet- I would think if I downgraded (uninstalled/reinstalled) to IE 10 then it's not an IE update causing the issueHas anyone else run into this or have any guesses as to what may be going on? Thanks in advance for any help!
Do you have any 3rd party solutions installed? We had one, also while on CRM 2015, that did this exact thing.Also, though it shouldn't matter that much per browser I wouldn't think, can you clarify whether turbo forms are on or off?
BenDid you profile the performance in IE11? That would tell you whatever is holding things up with BIG RED blocks.
BenTry using fiddler. The built-in crm test is kind of "misleading" as it only test the best case scenario (no plugins, rules and etc.)Running fiddler on a user's machine while loading crm will definitely expose any latency issues.
It looks like "LookupMruWebService.asmx" and "MessageBar.asmx" are the common culprits with very long load times. Other .asmx, .aspx, and .ashx resources take quite a bit of time as well. Could a .NET framework update cause an issue like this?Another weird thing I noticed, the IE log has around 175 lines/results to it while the Chrome session log only has around 25 lines/results.
It looks like this is a documented issue.
Each browser has its own ways of logging things, even worse is that each browser has its own way of interpreting js (i.e. tabs is not an array in ie but is in chrome).
You can try changing your chrome settings.
Have you tried rebooting the server? I have heard of where patches will cause crm server performance to degrade but are resolved after a reboot.
I am suggesting this due to the fact that the problematic code belongs to Microsoft and there is really nothing we can do about those.
KB4041681 was our salvation. It was released on 10/10/17 and has worked for every user I tested with so far.There is a specific line in there about fixing the form submission in Internet Explorer, I'm pretty sure that hits the nail on the head.This updated took us from IE "update version" 11.0.46 (which is when the problem started) to 11.0.47 in case anyone else is interested or having this issue.
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