Taking Huge time when saving mxd after assign symbology

[chandra_sekhar_reddyguda]

I have nearly 20 FeatureLayrs in Current Document , where i  have changed symbology using inbuilt Geo-processing tool "ApplySymbologyFromLayer" through programming. Till this step has no issue, changing symbology in one minute ,  if i attempt to save this document  taking 5 to 7 minutes to save. Please help me to solve this issue...

[DuncanHornby]

You have posted this question under ArcObjects, yet show no code or describe the steps you have taken! Without more information this will be hard to resolve.